11208897279 has 12 divisors (see below), whose sum is σ = 16194211176. Its totient is φ = 7470945072.

The previous prime is 11208897163. The next prime is 11208897307. The reversal of 11208897279 is 97279880211.

It is not a de Polignac number, because 11208897279 - 2⁷ = 11208897151 is a prime.

It is a super-2 number, since 2×11208897279² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11208897979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94089 + ... + 176834.

It is an arithmetic number, because the mean of its divisors is an integer number (1349517598).

Almost surely, 2^11208897279 is an apocalyptic number.

11208897279 is a deficient number, since it is larger than the sum of its proper divisors (4985313897).

11208897279 is a wasteful number, since it uses less digits than its factorization.

11208897279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275526 (or 275523 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 54.

The spelling of 11208897279 in words is "eleven billion, two hundred eight million, eight hundred ninety-seven thousand, two hundred seventy-nine".