5101110661665 has 16 divisors (see below), whose sum is σ = 8162116538688. Its totient is φ = 2720479192896.

The previous prime is 5101110661657. The next prime is 5101110661667. The reversal of 5101110661665 is 5661660111015.

5101110661665 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5101110661665 - 2³ = 5101110661657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5101110661667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6699214 + ... + 7421703.

It is an arithmetic number, because the mean of its divisors is an integer number (510132283668).

Almost surely, 2^{5101110661665} is an apocalyptic number.

It is an amenable number.

5101110661665 is a deficient number, since it is larger than the sum of its proper divisors (3061005877023).

5101110661665 is a wasteful number, since it uses less digits than its factorization.

5101110661665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14145008.

The product of its (nonzero) digits is 32400, while the sum is 39.

The spelling of 5101110661665 in words is "five trillion, one hundred one billion, one hundred ten million, six hundred sixty-one thousand, six hundred sixty-five".