11431879 has 2 divisors, whose sum is σ = 11431880. Its totient is φ = 11431878.

The previous prime is 11431841. The next prime is 11431883. The reversal of 11431879 is 97813411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11431879 - 2⁷ = 11431751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11431279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5715939 + 5715940.

It is an arithmetic number, because the mean of its divisors is an integer number (5715940).

Almost surely, 2^11431879 is an apocalyptic number.

11431879 is a deficient number, since it is larger than the sum of its proper divisors (1).

11431879 is an equidigital number, since it uses as much as digits as its factorization.

11431879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 34.

The square root of 11431879 is about 3381.1061799358. The cubic root of 11431879 is about 225.2713040071.

The spelling of 11431879 in words is "eleven million, four hundred thirty-one thousand, eight hundred seventy-nine".