11521797044032 has 224 divisors, whose sum is σ = 26538883428096. Its totient is φ = 4904976384000.

The previous prime is 11521797044011. The next prime is 11521797044039. The reversal of 11521797044032 is 23044079712511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11521797044039) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2327163157 + ... + 2327168107.

Almost surely, 2^{11521797044032} 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 11521797044032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13269441714048).

11521797044032 is an abundant number, since it is smaller than the sum of its proper divisors (15017086384064).

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

11521797044032 is a wasteful number, since it uses less digits than its factorization.

11521797044032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5905 (or 5895 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 46.

The spelling of 11521797044032 in words is "eleven trillion, five hundred twenty-one billion, seven hundred ninety-seven million, forty-four thousand, thirty-two".