51119506178 has 32 divisors (see below), whose sum is σ = 83475608832. Its totient is φ = 23338224000.

The previous prime is 51119506169. The next prime is 51119506181. The reversal of 51119506178 is 87160591115.

It is a super-2 number, since 2×51119506178² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1042103 + ... + 1090053.

It is an arithmetic number, because the mean of its divisors is an integer number (2608612776).

Almost surely, 2^51119506178 is an apocalyptic number.

51119506178 is a deficient number, since it is larger than the sum of its proper divisors (32356102654).

51119506178 is a wasteful number, since it uses less digits than its factorization.

51119506178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48410.

The product of its (nonzero) digits is 75600, while the sum is 44.

The spelling of 51119506178 in words is "fifty-one billion, one hundred nineteen million, five hundred six thousand, one hundred seventy-eight".