9155090971 has 16 divisors (see below), whose sum is σ = 10492330464. Its totient is φ = 7913332224.

The previous prime is 9155090951. The next prime is 9155091019. The reversal of 9155090971 is 1790905519.

9155090971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 9155090971 - 2⁷ = 9155090843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9155090911) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 61605 + ... + 148678.

It is an arithmetic number, because the mean of its divisors is an integer number (655770654).

Almost surely, 2^9155090971 is an apocalyptic number.

9155090971 is a deficient number, since it is larger than the sum of its proper divisors (1337239493).

9155090971 is a wasteful number, since it uses less digits than its factorization.

9155090971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210510.

The product of its (nonzero) digits is 127575, while the sum is 46.

The square root of 9155090971 is about 95682.2395797674. The cubic root of 9155090971 is about 2091.9640710627.

The spelling of 9155090971 in words is "nine billion, one hundred fifty-five million, ninety thousand, nine hundred seventy-one".