51101011101105 has 24 divisors (see below), whose sum is σ = 101228669610432. Its totient is φ = 23360462217504.

The previous prime is 51101011101029. The next prime is 51101011101139. The reversal of 51101011101105 is 50110111010115.

It is not a de Polignac number, because 51101011101105 - 2⁷ = 51101011100977 is a prime.

It is a super-2 number, since 2×51101011101105² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81112715719 + ... + 81112716348.

It is an arithmetic number, because the mean of its divisors is an integer number (4217861233768).

Almost surely, 2^{51101011101105} is an apocalyptic number.

It is an amenable number.

51101011101105 is a deficient number, since it is larger than the sum of its proper divisors (50127658509327).

51101011101105 is a wasteful number, since it uses less digits than its factorization.

51101011101105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162225432085 (or 162225432082 counting only the distinct ones).

The product of its (nonzero) digits is 25, while the sum is 18.

The spelling of 51101011101105 in words is "fifty-one trillion, one hundred one billion, eleven million, one hundred one thousand, one hundred five".