51651111000608 has 96 divisors (see below), whose sum is σ = 118319470101504. Its totient is φ = 21738533006592.

The previous prime is 51651111000563. The next prime is 51651111000623. The reversal of 51651111000608 is 80600011115615.

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, 5212910 + ... + 11422637.

It is an arithmetic number, because the mean of its divisors is an integer number (1232494480224).

Almost surely, 2^{51651111000608} is an apocalyptic number.

It is an amenable number.

51651111000608 is an abundant number, since it is smaller than the sum of its proper divisors (66668359100896).

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

51651111000608 is a wasteful number, since it uses less digits than its factorization.

51651111000608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16635814 (or 16635806 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 35.

The spelling of 51651111000608 in words is "fifty-one trillion, six hundred fifty-one billion, one hundred eleven million, six hundred eight", and thus it is an aban number.