11198879 has 2 divisors, whose sum is σ = 11198880. Its totient is φ = 11198878.

The previous prime is 11198851. The next prime is 11198893. The reversal of 11198879 is 97889111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11198879 - 2²⁰ = 10150303 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11198819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5599439 + 5599440.

It is an arithmetic number, because the mean of its divisors is an integer number (5599440).

Almost surely, 2^11198879 is an apocalyptic number.

11198879 is a deficient number, since it is larger than the sum of its proper divisors (1).

11198879 is an equidigital number, since it uses as much as digits as its factorization.

11198879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 44.

The square root of 11198879 is about 3346.4726205364. The cubic root of 11198879 is about 223.7303235821.

The spelling of 11198879 in words is "eleven million, one hundred ninety-eight thousand, eight hundred seventy-nine".