51320802315 has 16 divisors (see below), whose sum is σ = 82194688800. Its totient is φ = 27343959552.

The previous prime is 51320802301. The next prime is 51320802317.

51320802315 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 51320802315 - 2⁷ = 51320802187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51320802317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1680300 + ... + 1710569.

It is an arithmetic number, because the mean of its divisors is an integer number (5137168050).

Almost surely, 2^51320802315 is an apocalyptic number.

51320802315 is a deficient number, since it is larger than the sum of its proper divisors (30873886485).

51320802315 is a wasteful number, since it uses less digits than its factorization.

51320802315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3391886.

The product of its (nonzero) digits is 7200, while the sum is 30.

The spelling of 51320802315 in words is "fifty-one billion, three hundred twenty million, eight hundred two thousand, three hundred fifteen".