51340387336315 has 16 divisors (see below), whose sum is σ = 76810553521920. Its totient is φ = 32004397300320.

The previous prime is 51340387336307. The next prime is 51340387336321. The reversal of 51340387336315 is 51363378304315.

It is a happy number.

It is not a de Polignac number, because 51340387336315 - 2³ = 51340387336307 is a prime.

It is a super-3 number, since 3×51340387336315³ (a number of 42 digits) contains 333 as substring.

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, 66675827325 + ... + 66675828094.

It is an arithmetic number, because the mean of its divisors is an integer number (4800659595120).

Almost surely, 2^{51340387336315} is an apocalyptic number.

51340387336315 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51340387336315 is a deficient number, since it is larger than the sum of its proper divisors (25470166185605).

51340387336315 is a wasteful number, since it uses less digits than its factorization.

51340387336315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133351655442.

The product of its (nonzero) digits is 8164800, while the sum is 52.

The spelling of 51340387336315 in words is "fifty-one trillion, three hundred forty billion, three hundred eighty-seven million, three hundred thirty-six thousand, three hundred fifteen".