90110561501055 has 32 divisors (see below), whose sum is σ = 144971566600896. Its totient is φ = 47794785951744.

The previous prime is 90110561501041. The next prime is 90110561501063. The reversal of 90110561501055 is 55010516501109.

It is not a de Polignac number, because 90110561501055 - 2⁶ = 90110561500991 is a prime.

It is a super-2 number, since 2×90110561501055² (a number of 29 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 (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20129742 + ... + 24195611.

It is an arithmetic number, because the mean of its divisors is an integer number (4530361456278).

Almost surely, 2^{90110561501055} is an apocalyptic number.

90110561501055 is a deficient number, since it is larger than the sum of its proper divisors (54861005099841).

90110561501055 is a wasteful number, since it uses less digits than its factorization.

90110561501055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44326107.

The product of its (nonzero) digits is 33750, while the sum is 39.

The spelling of 90110561501055 in words is "ninety trillion, one hundred ten billion, five hundred sixty-one million, five hundred one thousand, fifty-five".