11580131 has 4 divisors (see below), whose sum is σ = 11658000. Its totient is φ = 11502264.

The previous prime is 11580113. The next prime is 11580133. The reversal of 11580131 is 13108511.

11580131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13108511 = 13 ⋅1008347.

It is a cyclic number.

It is not a de Polignac number, because 11580131 - 2¹⁰ = 11579107 is a prime.

It is a super-2 number, since 2×11580131² = 268198867954322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11580133) 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, 38711 + ... + 39008.

It is an arithmetic number, because the mean of its divisors is an integer number (2914500).

Almost surely, 2^11580131 is an apocalyptic number.

11580131 is a deficient number, since it is larger than the sum of its proper divisors (77869).

11580131 is an equidigital number, since it uses as much as digits as its factorization.

11580131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77868.

The product of its (nonzero) digits is 120, while the sum is 20.

The square root of 11580131 is about 3402.9591534428. The cubic root of 11580131 is about 226.2409196319.

Adding to 11580131 its reverse (13108511), we get a palindrome (24688642).

It can be divided in two parts, 11580 and 131, that added together give a palindrome (11711).

The spelling of 11580131 in words is "eleven million, five hundred eighty thousand, one hundred thirty-one".