51153106908 has 24 divisors (see below), whose sum is σ = 121380255360. Its totient is φ = 16762034800.

The previous prime is 51153106871. The next prime is 51153106937. The reversal of 51153106908 is 80960135115.

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, 36124368 + ... + 36125783.

It is an arithmetic number, because the mean of its divisors is an integer number (5057510640).

Almost surely, 2^51153106908 is an apocalyptic number.

It is an amenable number.

51153106908 is an abundant number, since it is smaller than the sum of its proper divisors (70227148452).

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

51153106908 is a wasteful number, since it uses less digits than its factorization.

51153106908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72250217 (or 72250215 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 39.

The spelling of 51153106908 in words is "fifty-one billion, one hundred fifty-three million, one hundred six thousand, nine hundred eight".