125116511504 has 10 divisors (see below), whose sum is σ = 242413241070. Its totient is φ = 62558255744.

The previous prime is 125116511497. The next prime is 125116511537. The reversal of 125116511504 is 405115611521.

It can be written as a sum of positive squares in only one way, i.e., 82284069904 + 42832441600 = 286852^2 + 206960^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3909890969 + ... + 3909891000.

It is an arithmetic number, because the mean of its divisors is an integer number (24241324107).

Almost surely, 2^125116511504 is an apocalyptic number.

It is an amenable number.

125116511504 is a deficient number, since it is larger than the sum of its proper divisors (117296729566).

125116511504 is an equidigital number, since it uses as much as digits as its factorization.

125116511504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7819781977 (or 7819781971 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 32.

The spelling of 125116511504 in words is "one hundred twenty-five billion, one hundred sixteen million, five hundred eleven thousand, five hundred four".