51161005106 has 16 divisors (see below), whose sum is σ = 77708419200. Its totient is φ = 25258974048.

The previous prime is 51161005087. The next prime is 51161005141. The reversal of 51161005106 is 60150016115.

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, 61166 + ... + 325673.

It is an arithmetic number, because the mean of its divisors is an integer number (4856776200).

Almost surely, 2^51161005106 is an apocalyptic number.

51161005106 is a deficient number, since it is larger than the sum of its proper divisors (26547414094).

51161005106 is a wasteful number, since it uses less digits than its factorization.

51161005106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387673.

The product of its (nonzero) digits is 900, while the sum is 26.

The spelling of 51161005106 in words is "fifty-one billion, one hundred sixty-one million, five thousand, one hundred six".