15190979128 has 16 divisors (see below), whose sum is σ = 30674092680. Its totient is φ = 7011221088.

The previous prime is 15190979113. The next prime is 15190979131. The reversal of 15190979128 is 82197909151.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73033450 + ... + 73033657.

Almost surely, 2^15190979128 is an apocalyptic number.

It is an amenable number.

15190979128 is an abundant number, since it is smaller than the sum of its proper divisors (15483113552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15190979128 is a wasteful number, since it uses less digits than its factorization.

15190979128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146067126 (or 146067122 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 52.

The spelling of 15190979128 in words is "fifteen billion, one hundred ninety million, nine hundred seventy-nine thousand, one hundred twenty-eight".