51374366431311 has 64 divisors (see below), whose sum is σ = 90426951659520. Its totient is φ = 25117604789760.

The previous prime is 51374366431273. The next prime is 51374366431351. The reversal of 51374366431311 is 11313466347315.

It is not a de Polignac number, because 51374366431311 - 2⁶ = 51374366431247 is a prime.

It is a super-2 number, since 2×51374366431311² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51374366431351) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 270942840 + ... + 271132386.

It is an arithmetic number, because the mean of its divisors is an integer number (1412921119680).

Almost surely, 2^{51374366431311} is an apocalyptic number.

51374366431311 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

51374366431311 is a deficient number, since it is larger than the sum of its proper divisors (39052585228209).

51374366431311 is a wasteful number, since it uses less digits than its factorization.

51374366431311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258604.

The product of its digits is 1632960, while the sum is 48.

The spelling of 51374366431311 in words is "fifty-one trillion, three hundred seventy-four billion, three hundred sixty-six million, four hundred thirty-one thousand, three hundred eleven".