15125205120 has 64 divisors (see below), whose sum is σ = 48211597440. Its totient is φ = 4033387520.

The previous prime is 15125205119. The next prime is 15125205157. The reversal of 15125205120 is 2150252151.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 3936936 + ... + 3940775.

It is an arithmetic number, because the mean of its divisors is an integer number (753306210).

Almost surely, 2^15125205120 is an apocalyptic number.

15125205120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15125205120 is an abundant number, since it is smaller than the sum of its proper divisors (33086392320).

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

15125205120 is an equidigital number, since it uses as much as digits as its factorization.

15125205120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7877733 (or 7877721 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 24.

Adding to 15125205120 its reverse (2150252151), we get a palindrome (17275457271).

The spelling of 15125205120 in words is "fifteen billion, one hundred twenty-five million, two hundred five thousand, one hundred twenty".