51180037377 has 32 divisors (see below), whose sum is σ = 78442291200. Its totient is φ = 29075986368.

The previous prime is 51180037373. The next prime is 51180037411. The reversal of 51180037377 is 77373008115.

It is not a de Polignac number, because 51180037377 - 2² = 51180037373 is a prime.

It is a super-2 number, since 2×51180037377² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51180037373) 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, 3488824 + ... + 3503462.

It is an arithmetic number, because the mean of its divisors is an integer number (2451321600).

Almost surely, 2^51180037377 is an apocalyptic number.

It is an amenable number.

51180037377 is a deficient number, since it is larger than the sum of its proper divisors (27262253823).

51180037377 is a wasteful number, since it uses less digits than its factorization.

51180037377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15605.

The product of its (nonzero) digits is 123480, while the sum is 42.

The spelling of 51180037377 in words is "fifty-one billion, one hundred eighty million, thirty-seven thousand, three hundred seventy-seven".