15297070988 has 6 divisors (see below), whose sum is σ = 26769874236. Its totient is φ = 7648535492.

The previous prime is 15297070973. The next prime is 15297071017. The reversal of 15297070988 is 88907079251.

It is a super-2 number, since 2×15297070988² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1912133870 + ... + 1912133877.

It is an arithmetic number, because the mean of its divisors is an integer number (4461645706).

Almost surely, 2^15297070988 is an apocalyptic number.

It is an amenable number.

15297070988 is a deficient number, since it is larger than the sum of its proper divisors (11472803248).

15297070988 is a wasteful number, since it uses less digits than its factorization.

15297070988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3824267751 (or 3824267749 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 56.

The spelling of 15297070988 in words is "fifteen billion, two hundred ninety-seven million, seventy thousand, nine hundred eighty-eight".