15125127775125 has 16 divisors (see below), whose sum is σ = 25168212618432. Its totient is φ = 8066734813200.

The previous prime is 15125127775099. The next prime is 15125127775159. The reversal of 15125127775125 is 52157772152151.

It is a happy number.

It is not a de Polignac number, because 15125127775125 - 2¹⁰ = 15125127774101 is a prime.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20166836659 + ... + 20166837408.

It is an arithmetic number, because the mean of its divisors is an integer number (1573013288652).

Almost surely, 2^{15125127775125} is an apocalyptic number.

15125127775125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15125127775125 is a deficient number, since it is larger than the sum of its proper divisors (10043084843307).

15125127775125 is an equidigital number, since it uses as much as digits as its factorization.

15125127775125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40333674085 (or 40333674075 counting only the distinct ones).

The product of its digits is 1715000, while the sum is 51.

The spelling of 15125127775125 in words is "fifteen trillion, one hundred twenty-five billion, one hundred twenty-seven million, seven hundred seventy-five thousand, one hundred twenty-five".