11255949899 has 2 divisors, whose sum is σ = 11255949900. Its totient is φ = 11255949898.

The previous prime is 11255949871. The next prime is 11255949907. The reversal of 11255949899 is 99894955211.

11255949899 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11255949899 - 2¹⁶ = 11255884363 is a prime.

It is a super-2 number, since 2×11255949899² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11255949869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5627974949 + 5627974950.

It is an arithmetic number, because the mean of its divisors is an integer number (5627974950).

Almost surely, 2^11255949899 is an apocalyptic number.

11255949899 is a deficient number, since it is larger than the sum of its proper divisors (1).

11255949899 is an equidigital number, since it uses as much as digits as its factorization.

11255949899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10497600, while the sum is 62.

The spelling of 11255949899 in words is "eleven billion, two hundred fifty-five million, nine hundred forty-nine thousand, eight hundred ninety-nine".