11918652625 has 16 divisors (see below), whose sum is σ = 16226705664. Its totient is φ = 8668110000.

The previous prime is 11918652623. The next prime is 11918652643. The reversal of 11918652625 is 52625681911.

It is not a de Polignac number, because 11918652625 - 2¹ = 11918652623 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11918652623) 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, 4332681 + ... + 4335430.

It is an arithmetic number, because the mean of its divisors is an integer number (1014169104).

Almost surely, 2^11918652625 is an apocalyptic number.

It is an amenable number.

11918652625 is a deficient number, since it is larger than the sum of its proper divisors (4308053039).

11918652625 is an equidigital number, since it uses as much as digits as its factorization.

11918652625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8668137 (or 8668127 counting only the distinct ones).

The product of its digits is 259200, while the sum is 46.

The spelling of 11918652625 in words is "eleven billion, nine hundred eighteen million, six hundred fifty-two thousand, six hundred twenty-five".