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11011111116 = 2231948294347
BaseRepresentation
bin10100100000101000…
…00011100011001100
31001102101100101211020
422100110003203030
5140022321023431
65020342154140
7536602620525
oct122024034314
931371311736
1011011111116
114740537835
122173722950
131066317b85
1476656384c
15446a36696
hex2905038cc

11011111116 has 24 divisors (see below), whose sum is σ = 27044834880. Its totient is φ = 3477192912.

The previous prime is 11011111051. The next prime is 11011111117. The reversal of 11011111116 is 61111111011.

Adding to 11011111116 its reverse (61111111011), we get a palindrome (72122222127).

It is a junction number, because it is equal to n+sod(n) for n = 11011111095 and 11011111104.

It is not an unprimeable number, because it can be changed into a prime (11011111117) 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, 24146946 + ... + 24147401.

It is an arithmetic number, because the mean of its divisors is an integer number (1126868120).

Almost surely, 211011111116 is an apocalyptic number.

It is an amenable number.

11011111116 is an abundant number, since it is smaller than the sum of its proper divisors (16033723764).

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

11011111116 is a wasteful number, since it uses less digits than its factorization.

11011111116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48294373 (or 48294371 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 15.

The spelling of 11011111116 in words is "eleven billion, eleven million, one hundred eleven thousand, one hundred sixteen".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 48294347 96588694 144883041 193177388 289766082 579532164 917592593 1835185186 2752777779 3670370372 5505555558 11011111116