51761636471260 has 48 divisors (see below), whose sum is σ = 109216715342112. Its totient is φ = 20606129107200.

The previous prime is 51761636471191. The next prime is 51761636471269. The reversal of 51761636471260 is 6217463616715.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51761636471269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 319883734 + ... + 320045506.

It is an arithmetic number, because the mean of its divisors is an integer number (2275348236294).

Almost surely, 2^{51761636471260} is an apocalyptic number.

It is an amenable number.

51761636471260 is an abundant number, since it is smaller than the sum of its proper divisors (57455078870852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51761636471260 is a wasteful number, since it uses less digits than its factorization.

51761636471260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237814 (or 237812 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 55.

The spelling of 51761636471260 in words is "fifty-one trillion, seven hundred sixty-one billion, six hundred thirty-six million, four hundred seventy-one thousand, two hundred sixty".