125465306504 has 8 divisors (see below), whose sum is σ = 235247449710. Its totient is φ = 62732653248.

The previous prime is 125465306497. The next prime is 125465306537. The reversal of 125465306504 is 405603564521.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 119648193604 + 5817112900 = 345902^2 + 76270^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×125465306504² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7841581649 + ... + 7841581664.

Almost surely, 2^125465306504 is an apocalyptic number.

It is an amenable number.

125465306504 is a deficient number, since it is larger than the sum of its proper divisors (109782143206).

125465306504 is a wasteful number, since it uses less digits than its factorization.

125465306504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15683163319 (or 15683163315 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 41.

The spelling of 125465306504 in words is "one hundred twenty-five billion, four hundred sixty-five million, three hundred six thousand, five hundred four".