51115351196 has 48 divisors (see below), whose sum is σ = 110172873216. Its totient is φ = 20207081664.

The previous prime is 51115351187. The next prime is 51115351219. The reversal of 51115351196 is 69115351115.

It is a super-2 number, since 2×51115351196² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 470225 + ... + 568631.

It is an arithmetic number, because the mean of its divisors is an integer number (2295268192).

Almost surely, 2^51115351196 is an apocalyptic number.

It is an amenable number.

51115351196 is an abundant number, since it is smaller than the sum of its proper divisors (59057522020).

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

51115351196 is a wasteful number, since it uses less digits than its factorization.

51115351196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99858 (or 99856 counting only the distinct ones).

The product of its digits is 20250, while the sum is 38.

The spelling of 51115351196 in words is "fifty-one billion, one hundred fifteen million, three hundred fifty-one thousand, one hundred ninety-six".