11189597048 has 16 divisors (see below), whose sum is σ = 23977708080. Its totient is φ = 4795541568.

The previous prime is 11189597039. The next prime is 11189597053. The reversal of 11189597048 is 84079598111.

It is a happy number.

It is a super-2 number, since 2×11189597048² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99907061 + ... + 99907172.

It is an arithmetic number, because the mean of its divisors is an integer number (1498606755).

Almost surely, 2^11189597048 is an apocalyptic number.

It is an amenable number.

11189597048 is an abundant number, since it is smaller than the sum of its proper divisors (12788111032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11189597048 is a wasteful number, since it uses less digits than its factorization.

11189597048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199814246 (or 199814242 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 53.

The spelling of 11189597048 in words is "eleven billion, one hundred eighty-nine million, five hundred ninety-seven thousand, forty-eight".