51515014200115 has 8 divisors (see below), whose sum is σ = 61818720117408. Its totient is φ = 41211542641920.

The previous prime is 51515014200101. The next prime is 51515014200151. The reversal of 51515014200115 is 51100241051515.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51515014200115 - 2²⁵ = 51514980645683 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58105822 + ... + 58985731.

It is an arithmetic number, because the mean of its divisors is an integer number (7727340014676).

Almost surely, 2^{51515014200115} is an apocalyptic number.

51515014200115 is a deficient number, since it is larger than the sum of its proper divisors (10303705917293).

51515014200115 is a wasteful number, since it uses less digits than its factorization.

51515014200115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117179549.

The product of its (nonzero) digits is 5000, while the sum is 31.

The spelling of 51515014200115 in words is "fifty-one trillion, five hundred fifteen billion, fourteen million, two hundred thousand, one hundred fifteen".