51100105060605 has 16 divisors (see below), whose sum is σ = 81970348487040. Its totient is φ = 27183329235648.

The previous prime is 51100105060549. The next prime is 51100105060607. The reversal of 51100105060605 is 50606050100115.

It is not a de Polignac number, because 51100105060605 - 2⁸ = 51100105060349 is a prime.

It is a super-2 number, since 2×51100105060605² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51100105060607) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4378752097 + ... + 4378763766.

It is an arithmetic number, because the mean of its divisors is an integer number (5123146780440).

Almost surely, 2^{51100105060605} is an apocalyptic number.

It is an amenable number.

51100105060605 is a deficient number, since it is larger than the sum of its proper divisors (30870243426435).

51100105060605 is a wasteful number, since it uses less digits than its factorization.

51100105060605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8757516260.

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

The spelling of 51100105060605 in words is "fifty-one trillion, one hundred billion, one hundred five million, sixty thousand, six hundred five".