11331899 has 2 divisors, whose sum is σ = 11331900. Its totient is φ = 11331898.

The previous prime is 11331883. The next prime is 11331917. The reversal of 11331899 is 99813311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11331899 - 2⁴ = 11331883 is a prime.

It is not a weakly prime, because it can be changed into another prime (11331869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5665949 + 5665950.

It is an arithmetic number, because the mean of its divisors is an integer number (5665950).

Almost surely, 2^11331899 is an apocalyptic number.

11331899 is a deficient number, since it is larger than the sum of its proper divisors (1).

11331899 is an equidigital number, since it uses as much as digits as its factorization.

11331899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5832, while the sum is 35.

The square root of 11331899 is about 3366.2886091362. The cubic root of 11331899 is about 224.6126603226.

The spelling of 11331899 in words is "eleven million, three hundred thirty-one thousand, eight hundred ninety-nine".