15012918988 has 12 divisors (see below), whose sum is σ = 26296653040. Its totient is φ = 7499589552.

The previous prime is 15012918983. The next prime is 15012918997. The reversal of 15012918988 is 88981921051.

It is a happy number.

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 not an unprimeable number, because it can be changed into a prime (15012918983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1712568 + ... + 1721311.

Almost surely, 2^15012918988 is an apocalyptic number.

It is an amenable number.

15012918988 is a deficient number, since it is larger than the sum of its proper divisors (11283734052).

15012918988 is a wasteful number, since it uses less digits than its factorization.

15012918988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3434976 (or 3434974 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 52.

The spelling of 15012918988 in words is "fifteen billion, twelve million, nine hundred eighteen thousand, nine hundred eighty-eight".