11652810625 has 20 divisors (see below), whose sum is σ = 14582672676. Its totient is φ = 9308600000.

The previous prime is 11652810607. The next prime is 11652810629. The reversal of 11652810625 is 52601825611.

It can be written as a sum of positive squares in 10 ways, for example, as 4087812096 + 7564998529 = 63936^2 + 86977^2 .

It is not a de Polignac number, because 11652810625 - 2¹³ = 11652802433 is a prime.

It is a super-2 number, since 2×11652810625² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11652810629) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 424827 + ... + 451423.

Almost surely, 2^11652810625 is an apocalyptic number.

It is an amenable number.

11652810625 is a deficient number, since it is larger than the sum of its proper divisors (2929862051).

11652810625 is an frugal number, since it uses more digits than its factorization.

11652810625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27318 (or 27303 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 37.

The spelling of 11652810625 in words is "eleven billion, six hundred fifty-two million, eight hundred ten thousand, six hundred twenty-five".