11709526156 has 12 divisors (see below), whose sum is σ = 21198280320. Its totient is φ = 5652874640.

The previous prime is 11709526139. The next prime is 11709526163. The reversal of 11709526156 is 65162590711.

It is a super-2 number, since 2×11709526156² (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 3 ways as a sum of consecutive naturals, for example, 50471980 + ... + 50472211.

It is an arithmetic number, because the mean of its divisors is an integer number (1766523360).

Almost surely, 2^11709526156 is an apocalyptic number.

It is an amenable number.

11709526156 is a deficient number, since it is larger than the sum of its proper divisors (9488754164).

11709526156 is a wasteful number, since it uses less digits than its factorization.

11709526156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100944224 (or 100944222 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 43.

The spelling of 11709526156 in words is "eleven billion, seven hundred nine million, five hundred twenty-six thousand, one hundred fifty-six".