51651115170 has 32 divisors (see below), whose sum is σ = 126063743040. Its totient is φ = 13540178880.

The previous prime is 51651115169. The next prime is 51651115171. The reversal of 51651115170 is 7151115615.

It is an interprime number because it is at equal distance from previous prime (51651115169) and next prime (51651115171).

It is not an unprimeable number, because it can be changed into a prime (51651115171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14588941 + ... + 14592480.

It is an arithmetic number, because the mean of its divisors is an integer number (3939491970).

Almost surely, 2^51651115170 is an apocalyptic number.

51651115170 is an abundant number, since it is smaller than the sum of its proper divisors (74412627870).

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

51651115170 is a wasteful number, since it uses less digits than its factorization.

51651115170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29181490.

The product of its (nonzero) digits is 5250, while the sum is 33.

The spelling of 51651115170 in words is "fifty-one billion, six hundred fifty-one million, one hundred fifteen thousand, one hundred seventy".