51510650156 has 24 divisors (see below), whose sum is σ = 106344569856. Its totient is φ = 21363863760.

The previous prime is 51510650099. The next prime is 51510650167. The reversal of 51510650156 is 65105601515.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29671166 + ... + 29672901.

It is an arithmetic number, because the mean of its divisors is an integer number (4431023744).

Almost surely, 2^51510650156 is an apocalyptic number.

It is an amenable number.

51510650156 is an abundant number, since it is smaller than the sum of its proper divisors (54833919700).

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

51510650156 is a wasteful number, since it uses less digits than its factorization.

51510650156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59344109 (or 59344107 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 35.

The spelling of 51510650156 in words is "fifty-one billion, five hundred ten million, six hundred fifty thousand, one hundred fifty-six".