15028775825 has 12 divisors (see below), whose sum is σ = 21297922560. Its totient is φ = 10305446160.

The previous prime is 15028775809. The next prime is 15028775831. The reversal of 15028775825 is 52857782051.

It is a happy number.

It is not a de Polignac number, because 15028775825 - 2⁴ = 15028775809 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42939185 + ... + 42939534.

It is an arithmetic number, because the mean of its divisors is an integer number (1774826880).

Almost surely, 2^15028775825 is an apocalyptic number.

It is an amenable number.

15028775825 is a deficient number, since it is larger than the sum of its proper divisors (6269146735).

15028775825 is an equidigital number, since it uses as much as digits as its factorization.

15028775825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85878736 (or 85878731 counting only the distinct ones).

The product of its (nonzero) digits is 1568000, while the sum is 50.

The spelling of 15028775825 in words is "fifteen billion, twenty-eight million, seven hundred seventy-five thousand, eight hundred twenty-five".