11231324664 has 64 divisors (see below), whose sum is σ = 32323795200. Its totient is φ = 3185520384.

The previous prime is 11231324639. The next prime is 11231324717. The reversal of 11231324664 is 46642313211.

It is a happy number.

It is a super-2 number, since 2×11231324664² (a number of 21 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220974 + ... + 267005.

It is an arithmetic number, because the mean of its divisors is an integer number (505059300).

Almost surely, 2^11231324664 is an apocalyptic number.

11231324664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11231324664 is an abundant number, since it is smaller than the sum of its proper divisors (21092470536).

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

11231324664 is a wasteful number, since it uses less digits than its factorization.

11231324664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488132 (or 488128 counting only the distinct ones).

The product of its digits is 20736, while the sum is 33.

Adding to 11231324664 its reverse (46642313211), we get a palindrome (57873637875).

The spelling of 11231324664 in words is "eleven billion, two hundred thirty-one million, three hundred twenty-four thousand, six hundred sixty-four".