51347188780 has 36 divisors (see below), whose sum is σ = 113803023600. Its totient is φ = 19457879328.

The previous prime is 51347188777. The next prime is 51347188801. The reversal of 51347188780 is 8788174315.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3548680 + ... + 3563119.

It is an arithmetic number, because the mean of its divisors is an integer number (3161195100).

Almost surely, 2^51347188780 is an apocalyptic number.

It is an amenable number.

51347188780 is an abundant number, since it is smaller than the sum of its proper divisors (62455834820).

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

51347188780 is a wasteful number, since it uses less digits than its factorization.

51347188780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7111846 (or 7111825 counting only the distinct ones).

The product of its (nonzero) digits is 1505280, while the sum is 52.

The spelling of 51347188780 in words is "fifty-one billion, three hundred forty-seven million, one hundred eighty-eight thousand, seven hundred eighty".