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11011111401 = 319193177393
BaseRepresentation
bin10100100000101000…
…00011100111101001
31001102101100102012210
422100110003213221
5140022321031101
65020342155333
7536602621413
oct122024034751
931371312183
1011011111401
114740537a74
122173722b49
131066318044
147665639b3
15446a367d6
hex2905039e9

11011111401 has 8 divisors (see below), whose sum is σ = 15454191520. Its totient is φ = 6954386112.

The previous prime is 11011111387. The next prime is 11011111451. The reversal of 11011111401 is 10411111011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11011111401 - 26 = 11011111337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11011111451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96588640 + ... + 96588753.

It is an arithmetic number, because the mean of its divisors is an integer number (1931773940).

Almost surely, 211011111401 is an apocalyptic number.

It is an amenable number.

11011111401 is a deficient number, since it is larger than the sum of its proper divisors (4443080119).

11011111401 is a wasteful number, since it uses less digits than its factorization.

11011111401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193177415.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 11011111401 its reverse (10411111011), we get a palindrome (21422222412).

The spelling of 11011111401 in words is "eleven billion, eleven million, one hundred eleven thousand, four hundred one".

Divisors: 1 3 19 57 193177393 579532179 3670370467 11011111401