11261521344 has 224 divisors, whose sum is σ = 32355714816. Its totient is φ = 3443834880.

The previous prime is 11261521319. The next prime is 11261521363. The reversal of 11261521344 is 44312516211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32453779 + ... + 32454125.

Almost surely, 2^11261521344 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 11261521344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16177857408).

11261521344 is an abundant number, since it is smaller than the sum of its proper divisors (21094193472).

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

11261521344 is a wasteful number, since it uses less digits than its factorization.

11261521344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603 (or 593 counting only the distinct ones).

The product of its digits is 5760, while the sum is 30.

The spelling of 11261521344 in words is "eleven billion, two hundred sixty-one million, five hundred twenty-one thousand, three hundred forty-four".