11560931 has 2 divisors, whose sum is σ = 11560932. Its totient is φ = 11560930.

The previous prime is 11560921. The next prime is 11560933. The reversal of 11560931 is 13906511.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11560931 is a prime.

It is a super-2 number, since 2×11560931² = 267310251173522, which contains 22 as substring.

Together with 11560933, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11560931.

It is not a weakly prime, because it can be changed into another prime (11560933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5780465 + 5780466.

It is an arithmetic number, because the mean of its divisors is an integer number (5780466).

Almost surely, 2^11560931 is an apocalyptic number.

11560931 is a deficient number, since it is larger than the sum of its proper divisors (1).

11560931 is an equidigital number, since it uses as much as digits as its factorization.

11560931 is an odious number, because the sum of its binary digits is odd.

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

The square root of 11560931 is about 3400.1369090082. The cubic root of 11560931 is about 226.1158137191.

The spelling of 11560931 in words is "eleven million, five hundred sixty thousand, nine hundred thirty-one".