11616615057 has 16 divisors (see below), whose sum is σ = 16083872640. Its totient is φ = 7448915712.

The previous prime is 11616615041. The next prime is 11616615071. The reversal of 11616615057 is 75051661611.

It is not a de Polignac number, because 11616615057 - 2⁴ = 11616615041 is a prime.

It is a super-3 number, since 3×11616615057³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (11616616057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230968 + ... + 276729.

It is an arithmetic number, because the mean of its divisors is an integer number (1005242040).

Almost surely, 2^11616615057 is an apocalyptic number.

It is an amenable number.

11616615057 is a deficient number, since it is larger than the sum of its proper divisors (4467257583).

11616615057 is a wasteful number, since it uses less digits than its factorization.

11616615057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507992.

The product of its (nonzero) digits is 37800, while the sum is 39.

The spelling of 11616615057 in words is "eleven billion, six hundred sixteen million, six hundred fifteen thousand, fifty-seven".