11145899 has 2 divisors, whose sum is σ = 11145900. Its totient is φ = 11145898.

The previous prime is 11145839. The next prime is 11145907. The reversal of 11145899 is 99854111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11145899 - 2²⁰ = 10097323 is a prime.

It is a plaindrome in base 10.

It is not a weakly prime, because it can be changed into another prime (11145839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5572949 + 5572950.

It is an arithmetic number, because the mean of its divisors is an integer number (5572950).

Almost surely, 2^11145899 is an apocalyptic number.

11145899 is a deficient number, since it is larger than the sum of its proper divisors (1).

11145899 is an equidigital number, since it uses as much as digits as its factorization.

11145899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 38.

The square root of 11145899 is about 3338.5474386326. The cubic root of 11145899 is about 223.3769556630.

The spelling of 11145899 in words is "eleven million, one hundred forty-five thousand, eight hundred ninety-nine".