11231324660 has 24 divisors (see below), whose sum is σ = 23596217736. Its totient is φ = 4490542080.

The previous prime is 11231324639. The next prime is 11231324717. The reversal of 11231324660 is 6642313211.

It can be written as a sum of positive squares in 4 ways, for example, as 2143134436 + 9088190224 = 46294^2 + 95332^2 .

It is a super-2 number, since 2×11231324660² (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, 77477 + ... + 168716.

It is an arithmetic number, because the mean of its divisors is an integer number (983175739).

Almost surely, 2^11231324660 is an apocalyptic number.

11231324660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11231324660 is an abundant number, since it is smaller than the sum of its proper divisors (12364893076).

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

11231324660 is a wasteful number, since it uses less digits than its factorization.

11231324660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248483 (or 248481 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 11231324660 its reverse (6642313211), we get a palindrome (17873637871).

The spelling of 11231324660 in words is "eleven billion, two hundred thirty-one million, three hundred twenty-four thousand, six hundred sixty".