51145761080 has 32 divisors (see below), whose sum is σ = 117249249600. Its totient is φ = 20072297856.

The previous prime is 51145761053. The next prime is 51145761127. The reversal of 51145761080 is 8016754115.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12060560 + ... + 12064799.

It is an arithmetic number, because the mean of its divisors is an integer number (3664039050).

Almost surely, 2^51145761080 is an apocalyptic number.

It is an amenable number.

51145761080 is an abundant number, since it is smaller than the sum of its proper divisors (66103488520).

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

51145761080 is a wasteful number, since it uses less digits than its factorization.

51145761080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24125423 (or 24125419 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 38.

The spelling of 51145761080 in words is "fifty-one billion, one hundred forty-five million, seven hundred sixty-one thousand, eighty".