11571090 has 32 divisors (see below), whose sum is σ = 28230336. Its totient is φ = 3034560.

The previous prime is 11571089. The next prime is 11571103. The reversal of 11571090 is 9017511.

It is a self number, because there is not a number n which added to its sum of digits gives 11571090.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1332 + ... + 4991.

It is an arithmetic number, because the mean of its divisors is an integer number (882198).

Almost surely, 2^11571090 is an apocalyptic number.

11571090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11571090 is an abundant number, since it is smaller than the sum of its proper divisors (16659246).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11571090 is a wasteful number, since it uses less digits than its factorization.

11571090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6394.

The product of its (nonzero) digits is 315, while the sum is 24.

The square root of 11571090 is about 3401.6304913967. The cubic root of 11571090 is about 226.1820263229.

The spelling of 11571090 in words is "eleven million, five hundred seventy-one thousand, ninety".