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11011111092 = 223231310267
BaseRepresentation
bin10100100000101000…
…00011100010110100
31001102101100101210100
422100110003202310
5140022321023332
65020342154100
7536602620462
oct122024034264
931371311710
1011011111092
114740537813
122173722930
131066317b67
14766563832
15446a3667c
hex2905038b4

11011111092 has 72 divisors (see below), whose sum is σ = 28764200192. Its totient is φ = 3551625360.

The previous prime is 11011111051. The next prime is 11011111117. The reversal of 11011111092 is 29011111011.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1067343 + ... + 1077609.

Almost surely, 211011111092 is an apocalyptic number.

11011111092 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11011111092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14382100096).

11011111092 is an abundant number, since it is smaller than the sum of its proper divisors (17753089100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11011111092 is a wasteful number, since it uses less digits than its factorization.

11011111092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10370 (or 10303 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 18.

The spelling of 11011111092 in words is "eleven billion, eleven million, one hundred eleven thousand, ninety-two".

Divisors: 1 2 3 4 6 9 12 18 31 36 62 93 124 186 279 372 558 961 1116 1922 2883 3844 5766 8649 10267 11532 17298 20534 29791 30801 34596 41068 59582 61602 89373 92403 119164 123204 178746 184806 268119 318277 357492 369612 536238 636554 954831 1072476 1273108 1909662 2864493 3819324 5728986 9866587 11457972 19733174 29599761 39466348 59199522 88799283 118399044 177598566 305864197 355197132 611728394 917592591 1223456788 1835185182 2752777773 3670370364 5505555546 11011111092