51361616315 has 8 divisors (see below), whose sum is σ = 61639665120. Its totient is φ = 41085476032.

The previous prime is 51361616291. The next prime is 51361616359.

51361616315 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 51361616315 - 2²⁴ = 51344839099 is a prime.

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, 417239 + ... + 526128.

It is an arithmetic number, because the mean of its divisors is an integer number (7704958140).

Almost surely, 2^51361616315 is an apocalyptic number.

51361616315 is a deficient number, since it is larger than the sum of its proper divisors (10278048805).

51361616315 is a wasteful number, since it uses less digits than its factorization.

51361616315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954261.

The product of its digits is 48600, while the sum is 38.

The spelling of 51361616315 in words is "fifty-one billion, three hundred sixty-one million, six hundred sixteen thousand, three hundred fifteen".