11189917263 has 32 divisors (see below), whose sum is σ = 17632755712. Its totient is φ = 6176930400.

The previous prime is 11189917253. The next prime is 11189917303. The reversal of 11189917263 is 36271998111.

It is not a de Polignac number, because 11189917263 - 2⁸ = 11189917007 is a prime.

It is a super-2 number, since 2×11189917263² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11189917253) 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 31 ways as a sum of consecutive naturals, for example, 356670 + ... + 386772.

It is an arithmetic number, because the mean of its divisors is an integer number (551023616).

Almost surely, 2^11189917263 is an apocalyptic number.

11189917263 is a deficient number, since it is larger than the sum of its proper divisors (6442838449).

11189917263 is a wasteful number, since it uses less digits than its factorization.

11189917263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30715.

The product of its digits is 163296, while the sum is 48.

The spelling of 11189917263 in words is "eleven billion, one hundred eighty-nine million, nine hundred seventeen thousand, two hundred sixty-three".