11556522460 has 24 divisors (see below), whose sum is σ = 27735654240. Its totient is φ = 3962236224.

The previous prime is 11556522451. The next prime is 11556522473. The reversal of 11556522460 is 6422565511.

It is a super-2 number, since 2×11556522460² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41273155 + ... + 41273434.

It is an arithmetic number, because the mean of its divisors is an integer number (1155652260).

Almost surely, 2^11556522460 is an apocalyptic number.

11556522460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11556522460 is an abundant number, since it is smaller than the sum of its proper divisors (16179131780).

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

11556522460 is a wasteful number, since it uses less digits than its factorization.

11556522460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82546605 (or 82546603 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 37.

The spelling of 11556522460 in words is "eleven billion, five hundred fifty-six million, five hundred twenty-two thousand, four hundred sixty".