11090989567 has 64 divisors (see below), whose sum is σ = 14775091200. Its totient is φ = 8095127040.

The previous prime is 11090989463. The next prime is 11090989571. The reversal of 11090989567 is 76598909011.

It is not a de Polignac number, because 11090989567 - 2¹⁹ = 11090465279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11090989577) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5536188 + ... + 5538190.

It is an arithmetic number, because the mean of its divisors is an integer number (230860800).

Almost surely, 2^11090989567 is an apocalyptic number.

11090989567 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

11090989567 is a deficient number, since it is larger than the sum of its proper divisors (3684101633).

11090989567 is a wasteful number, since it uses less digits than its factorization.

11090989567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2156.

The product of its (nonzero) digits is 1224720, while the sum is 55.

The spelling of 11090989567 in words is "eleven billion, ninety million, nine hundred eighty-nine thousand, five hundred sixty-seven".