51182491180 has 24 divisors (see below), whose sum is σ = 107627923872. Its totient is φ = 20445436032.

The previous prime is 51182491159. The next prime is 51182491183. The reversal of 51182491180 is 8119428115.

It is not an unprimeable number, because it can be changed into a prime (51182491183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1707297 + ... + 1737016.

It is an arithmetic number, because the mean of its divisors is an integer number (4484496828).

Almost surely, 2^51182491180 is an apocalyptic number.

It is an amenable number.

51182491180 is an abundant number, since it is smaller than the sum of its proper divisors (56445432692).

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

51182491180 is a wasteful number, since it uses less digits than its factorization.

51182491180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3445065 (or 3445063 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 40.

The spelling of 51182491180 in words is "fifty-one billion, one hundred eighty-two million, four hundred ninety-one thousand, one hundred eighty".