12111757160 has 32 divisors (see below), whose sum is σ = 27765636840. Its totient is φ = 4753292544.

The previous prime is 12111757139. The next prime is 12111757181. The reversal of 12111757160 is 6175711121.

It is an interprime number because it is at equal distance from previous prime (12111757139) and next prime (12111757181).

It can be written as a sum of positive squares in 4 ways, for example, as 8573648836 + 3538108324 = 92594^2 + 59482^2 .

It is a super-2 number, since 2×12111757160² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2854427 + ... + 2858666.

Almost surely, 2^12111757160 is an apocalyptic number.

12111757160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12111757160 is an abundant number, since it is smaller than the sum of its proper divisors (15653879680).

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

12111757160 is a wasteful number, since it uses less digits than its factorization.

12111757160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5713157 (or 5713153 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 32.

The spelling of 12111757160 in words is "twelve billion, one hundred eleven million, seven hundred fifty-seven thousand, one hundred sixty".