518157652065 has 32 divisors (see below), whose sum is σ = 866382206976. Its totient is φ = 264180907200.

The previous prime is 518157652037. The next prime is 518157652073. The reversal of 518157652065 is 560256751815.

It is a happy number.

It is not a de Polignac number, because 518157652065 - 2⁹ = 518157651553 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 518157651999 and 518157652017.

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, 8515911 + ... + 8576540.

It is an arithmetic number, because the mean of its divisors is an integer number (27074443968).

Almost surely, 2^518157652065 is an apocalyptic number.

It is an amenable number.

518157652065 is a deficient number, since it is larger than the sum of its proper divisors (348224554911).

518157652065 is a wasteful number, since it uses less digits than its factorization.

518157652065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17092549.

The product of its (nonzero) digits is 2520000, while the sum is 51.

The spelling of 518157652065 in words is "five hundred eighteen billion, one hundred fifty-seven million, six hundred fifty-two thousand, sixty-five".