11560391 has 8 divisors (see below), whose sum is σ = 12571920. Its totient is φ = 10585728.

The previous prime is 11560369. The next prime is 11560399. The reversal of 11560391 is 19306511.

11560391 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11560391 - 2⁶ = 11560327 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11560391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11560399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8561 + ... + 9818.

It is an arithmetic number, because the mean of its divisors is an integer number (1571490).

Almost surely, 2^11560391 is an apocalyptic number.

11560391 is a deficient number, since it is larger than the sum of its proper divisors (1011529).

11560391 is a wasteful number, since it uses less digits than its factorization.

11560391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18433.

The product of its (nonzero) digits is 810, while the sum is 26.

The square root of 11560391 is about 3400.0574995138. The cubic root of 11560391 is about 226.1122931134.

It can be divided in two parts, 115 and 60391, that added together give a palindrome (60506).

The spelling of 11560391 in words is "eleven million, five hundred sixty thousand, three hundred ninety-one".