11657796625 has 8 divisors (see below), whose sum is σ = 14548930344. Its totient is φ = 9326237200.

The previous prime is 11657796613. The next prime is 11657796637. The reversal of 11657796625 is 52669775611.

It is an interprime number because it is at equal distance from previous prime (11657796613) and next prime (11657796637).

It can be written as a sum of positive squares in 4 ways, for example, as 1613146896 + 10044649729 = 40164^2 + 100223^2 .

It is not a de Polignac number, because 11657796625 - 2⁵ = 11657796593 is a prime.

It is a super-2 number, since 2×11657796625² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46631062 + ... + 46631311.

It is an arithmetic number, because the mean of its divisors is an integer number (1818616293).

Almost surely, 2^11657796625 is an apocalyptic number.

It is an amenable number.

11657796625 is a deficient number, since it is larger than the sum of its proper divisors (2891133719).

11657796625 is an frugal number, since it uses more digits than its factorization.

11657796625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93262388 (or 93262378 counting only the distinct ones).

The product of its digits is 4762800, while the sum is 55.

The spelling of 11657796625 in words is "eleven billion, six hundred fifty-seven million, seven hundred ninety-six thousand, six hundred twenty-five".