11197522944 has 220 divisors, whose sum is σ = 33732987904. Its totient is φ = 3699634176.

The previous prime is 11197522939. The next prime is 11197522951. The reversal of 11197522944 is 44922579111.

11197522944 is a `hidden beast` number, since 1 + 119 + 7 + 522 + 9 + 4 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 11197522944.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 10533357 + ... + 10534419.

Almost surely, 2^11197522944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11197522944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16866493952).

11197522944 is an abundant number, since it is smaller than the sum of its proper divisors (22535464960).

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

11197522944 is a wasteful number, since it uses less digits than its factorization.

11197522944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222 (or 1195 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The spelling of 11197522944 in words is "eleven billion, one hundred ninety-seven million, five hundred twenty-two thousand, nine hundred forty-four".