11119931 has 2 divisors, whose sum is σ = 11119932. Its totient is φ = 11119930.

The previous prime is 11119909. The next prime is 11119939. The reversal of 11119931 is 13991111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11119931 is a prime.

It is a super-2 number, since 2×11119931² = 247305730889522, which contains 22 as substring.

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 11119931.

It is not a weakly prime, because it can be changed into another prime (11119939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5559965 + 5559966.

It is an arithmetic number, because the mean of its divisors is an integer number (5559966).

Almost surely, 2^11119931 is an apocalyptic number.

11119931 is a deficient number, since it is larger than the sum of its proper divisors (1).

11119931 is an equidigital number, since it uses as much as digits as its factorization.

11119931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 243, while the sum is 26.

The square root of 11119931 is about 3334.6560542281. The cubic root of 11119931 is about 223.2033443207.

The spelling of 11119931 in words is "eleven million, one hundred nineteen thousand, nine hundred thirty-one".