90100005505505 has 16 divisors (see below), whose sum is σ = 108234396927360. Its totient is φ = 72003747752832.

The previous prime is 90100005505463. The next prime is 90100005505513. The reversal of 90100005505505 is 50550550000109.

It is a cyclic number.

It is not a de Polignac number, because 90100005505505 - 2³⁸ = 89825127598561 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 226509602 + ... + 226907028.

It is an arithmetic number, because the mean of its divisors is an integer number (6764649807960).

Almost surely, 2^{90100005505505} is an apocalyptic number.

It is an amenable number.

90100005505505 is a deficient number, since it is larger than the sum of its proper divisors (18134391421855).

90100005505505 is a wasteful number, since it uses less digits than its factorization.

90100005505505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445288.

The product of its (nonzero) digits is 28125, while the sum is 35.

The spelling of 90100005505505 in words is "ninety trillion, one hundred billion, five million, five hundred five thousand, five hundred five".