11153939 has 2 divisors, whose sum is σ = 11153940. Its totient is φ = 11153938.

The previous prime is 11153929. The next prime is 11153941. The reversal of 11153939 is 93935111.

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-11153939 is a prime.

Together with 11153941, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11153929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5576969 + 5576970.

It is an arithmetic number, because the mean of its divisors is an integer number (5576970).

Almost surely, 2^11153939 is an apocalyptic number.

11153939 is a deficient number, since it is larger than the sum of its proper divisors (1).

11153939 is an equidigital number, since it uses as much as digits as its factorization.

11153939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3645, while the sum is 32.

The square root of 11153939 is about 3339.7513380490. The cubic root of 11153939 is about 223.4306531131.

The spelling of 11153939 in words is "eleven million, one hundred fifty-three thousand, nine hundred thirty-nine".