51356533565315 has 16 divisors (see below), whose sum is σ = 67230659252736. Its totient is φ = 37350046207200.

The previous prime is 51356533565303. The next prime is 51356533565321.

51356533565315 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 51356533565315 - 2⁸ = 51356533565059 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11813174 + ... + 15564836.

It is an arithmetic number, because the mean of its divisors is an integer number (4201916203296).

Almost surely, 2^{51356533565315} is an apocalyptic number.

51356533565315 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51356533565315 is a deficient number, since it is larger than the sum of its proper divisors (15874125687421).

51356533565315 is a wasteful number, since it uses less digits than its factorization.

51356533565315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4000570.

The product of its digits is 45562500, while the sum is 56.

The spelling of 51356533565315 in words is "fifty-one trillion, three hundred fifty-six billion, five hundred thirty-three million, five hundred sixty-five thousand, three hundred fifteen".