11193256899 has 24 divisors (see below), whose sum is σ = 17708169024. Its totient is φ = 6756750000.

The previous prime is 11193256883. The next prime is 11193256903. The reversal of 11193256899 is 99865239111.

It is not a de Polignac number, because 11193256899 - 2⁴ = 11193256883 is a prime.

It is a super-2 number, since 2×11193256899² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11193256829) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 200377 + ... + 250074.

It is an arithmetic number, because the mean of its divisors is an integer number (737840376).

Almost surely, 2^11193256899 is an apocalyptic number.

11193256899 is a deficient number, since it is larger than the sum of its proper divisors (6514912125).

11193256899 is a wasteful number, since it uses less digits than its factorization.

11193256899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450719 (or 450716 counting only the distinct ones).

The product of its digits is 1049760, while the sum is 54.

The spelling of 11193256899 in words is "eleven billion, one hundred ninety-three million, two hundred fifty-six thousand, eight hundred ninety-nine".