9090919140955 has 4 divisors (see below), whose sum is σ = 10909102969152. Its totient is φ = 7272735312760.

The previous prime is 9090919140893. The next prime is 9090919140967. The reversal of 9090919140955 is 5590419190909.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 9090919140955 - 2³⁵ = 9056559402587 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9090919140893 and 9090919140902.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 909091914091 + ... + 909091914100.

It is an arithmetic number, because the mean of its divisors is an integer number (2727275742288).

Almost surely, 2^{9090919140955} is an apocalyptic number.

9090919140955 is a deficient number, since it is larger than the sum of its proper divisors (1818183828197).

9090919140955 is a wasteful number, since it uses less digits than its factorization.

9090919140955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1818183828196.

The product of its (nonzero) digits is 5904900, while the sum is 61.

The spelling of 9090919140955 in words is "nine trillion, ninety billion, nine hundred nineteen million, one hundred forty thousand, nine hundred fifty-five".