51506601105 has 16 divisors (see below), whose sum is σ = 87258242304. Its totient is φ = 25854293760.

The previous prime is 51506600987. The next prime is 51506601109. The reversal of 51506601105 is 50110660515.

51506601105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51506601105 - 2¹¹ = 51506599057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51506601109) 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, 100993081 + ... + 100993590.

It is an arithmetic number, because the mean of its divisors is an integer number (5453640144).

Almost surely, 2^51506601105 is an apocalyptic number.

It is an amenable number.

51506601105 is a deficient number, since it is larger than the sum of its proper divisors (35751641199).

51506601105 is a wasteful number, since it uses less digits than its factorization.

51506601105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201986696.

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

The spelling of 51506601105 in words is "fifty-one billion, five hundred six million, six hundred one thousand, one hundred five".