513354445125 has 32 divisors (see below), whose sum is σ = 875056500864. Its totient is φ = 267111248000.

The previous prime is 513354445111. The next prime is 513354445147. The reversal of 513354445125 is 521544453315.

It is not a de Polignac number, because 513354445125 - 2⁶ = 513354445061 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16679079 + ... + 16709828.

It is an arithmetic number, because the mean of its divisors is an integer number (27345515652).

Almost surely, 2^513354445125 is an apocalyptic number.

It is an amenable number.

513354445125 is a deficient number, since it is larger than the sum of its proper divisors (361702055739).

513354445125 is a wasteful number, since it uses less digits than its factorization.

513354445125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33388966 (or 33388956 counting only the distinct ones).

The product of its digits is 720000, while the sum is 42.

The spelling of 513354445125 in words is "five hundred thirteen billion, three hundred fifty-four million, four hundred forty-five thousand, one hundred twenty-five".