125063813825 has 24 divisors (see below), whose sum is σ = 160126417920. Its totient is φ = 96796540800.

The previous prime is 125063813821. The next prime is 125063813837. The reversal of 125063813825 is 528318360521.

It is not a de Polignac number, because 125063813825 - 2² = 125063813821 is a prime.

It is a super-2 number, since 2×125063813825² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (125063813821) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3016637 + ... + 3057813.

It is an arithmetic number, because the mean of its divisors is an integer number (6671934080).

Almost surely, 2^125063813825 is an apocalyptic number.

It is an amenable number.

125063813825 is a deficient number, since it is larger than the sum of its proper divisors (35062604095).

125063813825 is a wasteful number, since it uses less digits than its factorization.

125063813825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45137 (or 45132 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 44.

The spelling of 125063813825 in words is "one hundred twenty-five billion, sixty-three million, eight hundred thirteen thousand, eight hundred twenty-five".