51402322320415 has 16 divisors (see below), whose sum is σ = 70831908270720. Its totient is φ = 35415954133920.

The previous prime is 51402322320397. The next prime is 51402322320439.

51402322320415 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 51402322320415 - 2¹¹ = 51402322318367 is a prime.

It is a congruent 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, 24594411549 + ... + 24594413638.

It is an arithmetic number, because the mean of its divisors is an integer number (4426994266920).

Almost surely, 2^{51402322320415} is an apocalyptic number.

51402322320415 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51402322320415 is a deficient number, since it is larger than the sum of its proper divisors (19429585950305).

51402322320415 is a wasteful number, since it uses less digits than its factorization.

51402322320415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49188825222.

The product of its (nonzero) digits is 57600, while the sum is 34.

It can be divided in two parts, 5140232 and 2320415, that added together give a palindrome (7460647).

The spelling of 51402322320415 in words is "fifty-one trillion, four hundred two billion, three hundred twenty-two million, three hundred twenty thousand, four hundred fifteen".