51761025768 has 16 divisors (see below), whose sum is σ = 129402564480. Its totient is φ = 17253675248.

The previous prime is 51761025749. The next prime is 51761025839. The reversal of 51761025768 is 86752016715.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1078354680 + ... + 1078354727.

It is an arithmetic number, because the mean of its divisors is an integer number (8087660280).

Almost surely, 2^51761025768 is an apocalyptic number.

It is an amenable number.

51761025768 is an abundant number, since it is smaller than the sum of its proper divisors (77641538712).

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

51761025768 is a wasteful number, since it uses less digits than its factorization.

51761025768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2156709416 (or 2156709412 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 48.

The spelling of 51761025768 in words is "fifty-one billion, seven hundred sixty-one million, twenty-five thousand, seven hundred sixty-eight".