11522656576 has 84 divisors (see below), whose sum is σ = 24703430400. Its totient is φ = 5330016256.

The previous prime is 11522656531. The next prime is 11522656577. The reversal of 11522656576 is 67565622511.

It is a super-2 number, since 2×11522656576² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11522656577) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1085985 + ... + 1096543.

Almost surely, 2^11522656576 is an apocalyptic number.

11522656576 is a gapful number since it is divisible by the number (16) 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 11522656576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12351715200).

11522656576 is an abundant number, since it is smaller than the sum of its proper divisors (13180773824).

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

11522656576 is a wasteful number, since it uses less digits than its factorization.

11522656576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10664 (or 10637 counting only the distinct ones).

The product of its digits is 756000, while the sum is 46.

The spelling of 11522656576 in words is "eleven billion, five hundred twenty-two million, six hundred fifty-six thousand, five hundred seventy-six".