90901011 has 16 divisors (see below), whose sum is σ = 124678400. Its totient is φ = 58877280.

The previous prime is 90901003. The next prime is 90901039. The reversal of 90901011 is 11010909.

It is not a de Polignac number, because 90901011 - 2³ = 90901003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90901001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23901 + ... + 27441.

It is an arithmetic number, because the mean of its divisors is an integer number (7792400).

Almost surely, 2^90901011 is an apocalyptic number.

90901011 is a deficient number, since it is larger than the sum of its proper divisors (33777389).

90901011 is a wasteful number, since it uses less digits than its factorization.

90901011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3786.

The product of its (nonzero) digits is 81, while the sum is 21.

The square root of 90901011 is about 9534.2021690333. The cubic root of 90901011 is about 449.6309913156.

It can be divided in two parts, 9090 and 1011, that added together give a palindrome (10101).

The spelling of 90901011 in words is "ninety million, nine hundred one thousand, eleven".