51351531337370 has 48 divisors (see below), whose sum is σ = 101603256287400. Its totient is φ = 18672619722240.

The previous prime is 51351531337297. The next prime is 51351531337391. The reversal of 51351531337370 is 7373313515315.

It can be written as a sum of positive squares in 4 ways, for example, as 27097886146969 + 24253645190401 = 5205563^2 + 4924799^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33924614 + ... + 35405966.

Almost surely, 2^{51351531337370} is an apocalyptic number.

51351531337370 is a deficient number, since it is larger than the sum of its proper divisors (50251724950030).

51351531337370 is a wasteful number, since it uses less digits than its factorization.

51351531337370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1510031 (or 1510020 counting only the distinct ones).

The product of its (nonzero) digits is 1488375, while the sum is 47.

The spelling of 51351531337370 in words is "fifty-one trillion, three hundred fifty-one billion, five hundred thirty-one million, three hundred thirty-seven thousand, three hundred seventy".