51180408870 has 32 divisors (see below), whose sum is σ = 129297876480. Its totient is φ = 12929787360.

The previous prime is 51180408827. The next prime is 51180408893. The reversal of 51180408870 is 7880408115.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44894526 + ... + 44895665.

It is an arithmetic number, because the mean of its divisors is an integer number (4040558640).

Almost surely, 2^51180408870 is an apocalyptic number.

51180408870 is an abundant number, since it is smaller than the sum of its proper divisors (78117467610).

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

51180408870 is a wasteful number, since it uses less digits than its factorization.

51180408870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89790220.

The product of its (nonzero) digits is 71680, while the sum is 42.

The spelling of 51180408870 in words is "fifty-one billion, one hundred eighty million, four hundred eight thousand, eight hundred seventy".