11385478825 has 24 divisors (see below), whose sum is σ = 16140127680. Its totient is φ = 7804632000.

The previous prime is 11385478817. The next prime is 11385478831. The reversal of 11385478825 is 52887458311.

It is not a de Polignac number, because 11385478825 - 2³ = 11385478817 is a prime.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 638886 + ... + 656464.

It is an arithmetic number, because the mean of its divisors is an integer number (672505320).

Almost surely, 2^11385478825 is an apocalyptic number.

It is an amenable number.

11385478825 is a deficient number, since it is larger than the sum of its proper divisors (4754648855).

11385478825 is a wasteful number, since it uses less digits than its factorization.

11385478825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21297 (or 21292 counting only the distinct ones).

The product of its digits is 2150400, while the sum is 52.

The spelling of 11385478825 in words is "eleven billion, three hundred eighty-five million, four hundred seventy-eight thousand, eight hundred twenty-five".