11600491 has 4 divisors (see below), whose sum is σ = 13257712. Its totient is φ = 9943272.

The previous prime is 11600489. The next prime is 11600513. The reversal of 11600491 is 19400611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19400611 = 43 ⋅451177.

It is a cyclic number.

It is not a de Polignac number, because 11600491 - 2¹ = 11600489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11600401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 828600 + ... + 828613.

It is an arithmetic number, because the mean of its divisors is an integer number (3314428).

Almost surely, 2^11600491 is an apocalyptic number.

11600491 is a deficient number, since it is larger than the sum of its proper divisors (1657221).

11600491 is an equidigital number, since it uses as much as digits as its factorization.

11600491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1657220.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 11600491 is about 3405.9493537045. The cubic root of 11600491 is about 226.3734330495.

The spelling of 11600491 in words is "eleven million, six hundred thousand, four hundred ninety-one".