11231324156 has 48 divisors (see below), whose sum is σ = 22294678560. Its totient is φ = 4907796480.

The previous prime is 11231324147. The next prime is 11231324161. The reversal of 11231324156 is 65142313211.

It is a super-2 number, since 2×11231324156² (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 15 ways as a sum of consecutive naturals, for example, 2409380 + ... + 2414036.

It is an arithmetic number, because the mean of its divisors is an integer number (464472470).

Almost surely, 2^11231324156 is an apocalyptic number.

It is an amenable number.

11231324156 is a deficient number, since it is larger than the sum of its proper divisors (11063354404).

11231324156 is a wasteful number, since it uses less digits than its factorization.

11231324156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7134 (or 7132 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

Adding to 11231324156 its reverse (65142313211), we get a palindrome (76373637367).

The spelling of 11231324156 in words is "eleven billion, two hundred thirty-one million, three hundred twenty-four thousand, one hundred fifty-six".