51402510102 has 16 divisors (see below), whose sum is σ = 104213309040. Its totient is φ = 16899455232.

The previous prime is 51402510083. The next prime is 51402510143. The reversal of 51402510102 is 20101520415.

It is a congruent number.

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, 58678227 + ... + 58679102.

It is an arithmetic number, because the mean of its divisors is an integer number (6513331815).

Almost surely, 2^51402510102 is an apocalyptic number.

51402510102 is an abundant number, since it is smaller than the sum of its proper divisors (52810798938).

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

51402510102 is a wasteful number, since it uses less digits than its factorization.

51402510102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117357407.

The product of its (nonzero) digits is 400, while the sum is 21.

The spelling of 51402510102 in words is "fifty-one billion, four hundred two million, five hundred ten thousand, one hundred two".