125012513875 has 16 divisors (see below), whose sum is σ = 156025494144. Its totient is φ = 100003680000.

The previous prime is 125012513827. The next prime is 125012513897. The reversal of 125012513875 is 578315210521.

It is a happy number.

It is not a de Polignac number, because 125012513875 - 2³³ = 116422579283 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3763590 + ... + 3796660.

It is an arithmetic number, because the mean of its divisors is an integer number (9751593384).

Almost surely, 2^125012513875 is an apocalyptic number.

125012513875 is a deficient number, since it is larger than the sum of its proper divisors (31012980269).

125012513875 is an equidigital number, since it uses as much as digits as its factorization.

125012513875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63327 (or 63317 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 40.

The spelling of 125012513875 in words is "one hundred twenty-five billion, twelve million, five hundred thirteen thousand, eight hundred seventy-five".