51351215315 has 8 divisors (see below), whose sum is σ = 62784127728. Its totient is φ = 40305859360.

The previous prime is 51351215309. The next prime is 51351215341.

51351215315 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 51351215315 - 2⁴ = 51351215299 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, 96888821 + ... + 96889350.

It is an arithmetic number, because the mean of its divisors is an integer number (7848015966).

Almost surely, 2^51351215315 is an apocalyptic number.

51351215315 is a deficient number, since it is larger than the sum of its proper divisors (11432912413).

51351215315 is a wasteful number, since it uses less digits than its factorization.

51351215315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193778229.

The product of its digits is 11250, while the sum is 32.

The spelling of 51351215315 in words is "fifty-one billion, three hundred fifty-one million, two hundred fifteen thousand, three hundred fifteen".