51321412315 has 8 divisors (see below), whose sum is σ = 61586987760. Its totient is φ = 41056267872.

The previous prime is 51321412291. The next prime is 51321412333.

51321412315 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 51321412315 - 2⁷ = 51321412187 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, 283132 + ... + 427558.

It is an arithmetic number, because the mean of its divisors is an integer number (7698373470).

Almost surely, 2^51321412315 is an apocalyptic number.

51321412315 is a deficient number, since it is larger than the sum of its proper divisors (10265575445).

51321412315 is a wasteful number, since it uses less digits than its factorization.

51321412315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215501.

The product of its digits is 3600, while the sum is 28.

The spelling of 51321412315 in words is "fifty-one billion, three hundred twenty-one million, four hundred twelve thousand, three hundred fifteen".