11582091 has 12 divisors (see below), whose sum is σ = 16903432. Its totient is φ = 7641216.

The previous prime is 11582063. The next prime is 11582099. The reversal of 11582091 is 19028511.

11582091 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11582091 - 2⁵ = 11582059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11582099) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5761 + ... + 7506.

Almost surely, 2^11582091 is an apocalyptic number.

11582091 is a deficient number, since it is larger than the sum of its proper divisors (5321341).

11582091 is a wasteful number, since it uses less digits than its factorization.

11582091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13370 (or 13367 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 27.

The square root of 11582091 is about 3403.2471259078. The cubic root of 11582091 is about 226.2536830795.

It can be divided in two parts, 1158 and 2091, that added together give a square (3249 = 57²).

The spelling of 11582091 in words is "eleven million, five hundred eighty-two thousand, ninety-one".