11381879 has 2 divisors, whose sum is σ = 11381880. Its totient is φ = 11381878.

The previous prime is 11381869. The next prime is 11381899. The reversal of 11381879 is 97818311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11381879 - 2⁴ = 11381863 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11381869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5690939 + 5690940.

It is an arithmetic number, because the mean of its divisors is an integer number (5690940).

Almost surely, 2^11381879 is an apocalyptic number.

11381879 is a deficient number, since it is larger than the sum of its proper divisors (1).

11381879 is an equidigital number, since it uses as much as digits as its factorization.

11381879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 38.

The square root of 11381879 is about 3373.7040474825. The cubic root of 11381879 is about 224.9423984236.

The spelling of 11381879 in words is "eleven million, three hundred eighty-one thousand, eight hundred seventy-nine".