11522721040032 has 192 divisors, whose sum is σ = 31014789684480. Its totient is φ = 3744401915904.

The previous prime is 11522721040003. The next prime is 11522721040123. The reversal of 11522721040032 is 23004012722511.

It is a super-2 number, since 2×11522721040032² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 871013194 + ... + 871026422.

It is an arithmetic number, because the mean of its divisors is an integer number (161535362940).

Almost surely, 2^{11522721040032} is an apocalyptic number.

11522721040032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11522721040032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15507394842240).

11522721040032 is an abundant number, since it is smaller than the sum of its proper divisors (19492068644448).

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

11522721040032 is a wasteful number, since it uses less digits than its factorization.

11522721040032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14375 (or 14367 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

Adding to 11522721040032 its reverse (23004012722511), we get a palindrome (34526733762543).

The spelling of 11522721040032 in words is "eleven trillion, five hundred twenty-two billion, seven hundred twenty-one million, forty thousand, thirty-two".