11388637625 has 16 divisors (see below), whose sum is σ = 14287463424. Its totient is φ = 9063190000.

The previous prime is 11388637621. The next prime is 11388637651. The reversal of 11388637625 is 52673688311.

11388637625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11388637625 - 2² = 11388637621 is a prime.

It is a super-3 number, since 3×11388637625³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11388637621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 214631 + ... + 262380.

It is an arithmetic number, because the mean of its divisors is an integer number (892966464).

Almost surely, 2^11388637625 is an apocalyptic number.

It is an amenable number.

11388637625 is a deficient number, since it is larger than the sum of its proper divisors (2898825799).

11388637625 is an equidigital number, since it uses as much as digits as its factorization.

11388637625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477217 (or 477207 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 50.

The spelling of 11388637625 in words is "eleven billion, three hundred eighty-eight million, six hundred thirty-seven thousand, six hundred twenty-five".