51100814135405 has 16 divisors (see below), whose sum is σ = 62186791229568. Its totient is φ = 40303481400000.

The previous prime is 51100814135383. The next prime is 51100814135443. The reversal of 51100814135405 is 50453141800115.

It is not a de Polignac number, because 51100814135405 - 2¹⁴ = 51100814119021 is a prime.

It is a super-2 number, since 2×51100814135405² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7923575 + ... + 12844635.

It is an arithmetic number, because the mean of its divisors is an integer number (3886674451848).

Almost surely, 2^{51100814135405} is an apocalyptic number.

It is an amenable number.

51100814135405 is a deficient number, since it is larger than the sum of its proper divisors (11085977094163).

51100814135405 is a wasteful number, since it uses less digits than its factorization.

51100814135405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4950388.

The product of its (nonzero) digits is 48000, while the sum is 38.

The spelling of 51100814135405 in words is "fifty-one trillion, one hundred billion, eight hundred fourteen million, one hundred thirty-five thousand, four hundred five".