90284940511 has 16 divisors (see below), whose sum is σ = 93116390400. Its totient is φ = 87498007488.

The previous prime is 90284940503. The next prime is 90284940521. The reversal of 90284940511 is 11504948209.

It is a cyclic number.

It is not a de Polignac number, because 90284940511 - 2³ = 90284940503 is a prime.

It is a super-2 number, since 2×90284940511² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90284940521) 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, 13636960 + ... + 13643578.

It is an arithmetic number, because the mean of its divisors is an integer number (5819774400).

Almost surely, 2^90284940511 is an apocalyptic number.

90284940511 is a deficient number, since it is larger than the sum of its proper divisors (2831449889).

90284940511 is a wasteful number, since it uses less digits than its factorization.

90284940511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9918.

The product of its (nonzero) digits is 103680, while the sum is 43.

The spelling of 90284940511 in words is "ninety billion, two hundred eighty-four million, nine hundred forty thousand, five hundred eleven".