15025977652 has 24 divisors (see below), whose sum is σ = 30162863360. Its totient is φ = 6415938720.

The previous prime is 15025977649. The next prime is 15025977679. The reversal of 15025977652 is 25677952051.

It is a junction number, because it is equal to n+sod(n) for n = 15025977596 and 15025977605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 982527 + ... + 997702.

Almost surely, 2^15025977652 is an apocalyptic number.

It is an amenable number.

15025977652 is an abundant number, since it is smaller than the sum of its proper divisors (15136885708).

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

15025977652 is a wasteful number, since it uses less digits than its factorization.

15025977652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1980511 (or 1980509 counting only the distinct ones).

The product of its (nonzero) digits is 1323000, while the sum is 49.

The spelling of 15025977652 in words is "fifteen billion, twenty-five million, nine hundred seventy-seven thousand, six hundred fifty-two".