51351531337371 has 32 divisors (see below), whose sum is σ = 72876401595648. Its totient is φ = 32052013516800.

The previous prime is 51351531337297. The next prime is 51351531337391. The reversal of 51351531337371 is 17373313515315.

It is not a de Polignac number, because 51351531337371 - 2⁴³ = 42555438315163 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51351531337371.

It is not an unprimeable number, because it can be changed into a prime (51351531337391) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5441571 + ... + 11502771.

It is an arithmetic number, because the mean of its divisors is an integer number (2277387549864).

Almost surely, 2^{51351531337371} is an apocalyptic number.

51351531337371 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

51351531337371 is a deficient number, since it is larger than the sum of its proper divisors (21524870258277).

51351531337371 is a wasteful number, since it uses less digits than its factorization.

51351531337371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6062091.

The product of its digits is 1488375, while the sum is 48.

The spelling of 51351531337371 in words is "fifty-one trillion, three hundred fifty-one billion, five hundred thirty-one million, three hundred thirty-seven thousand, three hundred seventy-one".