15157945904 has 20 divisors (see below), whose sum is σ = 29393010840. Its totient is φ = 7572652800.

The previous prime is 15157945903. The next prime is 15157945919. The reversal of 15157945904 is 40954975151.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (15157945903) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 375194 + ... + 413625.

It is an arithmetic number, because the mean of its divisors is an integer number (1469650542).

Almost surely, 2^15157945904 is an apocalyptic number.

It is an amenable number.

15157945904 is a deficient number, since it is larger than the sum of its proper divisors (14235064936).

15157945904 is a wasteful number, since it uses less digits than its factorization.

15157945904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790028 (or 790022 counting only the distinct ones).

The product of its (nonzero) digits is 1134000, while the sum is 50.

The spelling of 15157945904 in words is "fifteen billion, one hundred fifty-seven million, nine hundred forty-five thousand, nine hundred four".