51878111088 has 40 divisors (see below), whose sum is σ = 135854332048. Its totient is φ = 17055816192.

The previous prime is 51878111041. The next prime is 51878111111. The reversal of 51878111088 is 88011187815.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7399195 + ... + 7406202.

Almost surely, 2^51878111088 is an apocalyptic number.

It is an amenable number.

51878111088 is an abundant number, since it is smaller than the sum of its proper divisors (83976220960).

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

51878111088 is a wasteful number, since it uses less digits than its factorization.

51878111088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14805481 (or 14805475 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 48.

The spelling of 51878111088 in words is "fifty-one billion, eight hundred seventy-eight million, one hundred eleven thousand, eighty-eight".