51402560005 has 16 divisors (see below), whose sum is σ = 64948101120. Its totient is φ = 38946598848.

The previous prime is 51402559991. The next prime is 51402560089. The reversal of 51402560005 is 50006520415.

It is not a de Polignac number, because 51402560005 - 2⁷ = 51402559877 is a prime.

It is a congruent number.

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, 264879 + ... + 415891.

It is an arithmetic number, because the mean of its divisors is an integer number (4059256320).

Almost surely, 2^51402560005 is an apocalyptic number.

It is an amenable number.

51402560005 is a deficient number, since it is larger than the sum of its proper divisors (13545541115).

51402560005 is a wasteful number, since it uses less digits than its factorization.

51402560005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154620.

The product of its (nonzero) digits is 6000, while the sum is 28.

The spelling of 51402560005 in words is "fifty-one billion, four hundred two million, five hundred sixty thousand, five".