51105056106 has 32 divisors (see below), whose sum is σ = 113868034560. Its totient is φ = 15182403264.

The previous prime is 51105056063. The next prime is 51105056113. The reversal of 51105056106 is 60165050115.

51105056106 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×51105056106² (a number of 22 digits) contains 22 as substring.

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, 11294170 + ... + 11298693.

It is an arithmetic number, because the mean of its divisors is an integer number (3558376080).

Almost surely, 2^51105056106 is an apocalyptic number.

51105056106 is an abundant number, since it is smaller than the sum of its proper divisors (62762978454).

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

51105056106 is a wasteful number, since it uses less digits than its factorization.

51105056106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22592910.

The product of its (nonzero) digits is 4500, while the sum is 30.

The spelling of 51105056106 in words is "fifty-one billion, one hundred five million, fifty-six thousand, one hundred six".