11531522544244 has 12 divisors (see below), whose sum is σ = 20186237350944. Its totient is φ = 5764026158264.

The previous prime is 11531522544229. The next prime is 11531522544253. The reversal of 11531522544244 is 44244522513511.

It is a super-2 number, since 2×11531522544244² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11531522544244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 433763512 + ... + 433790095.

It is an arithmetic number, because the mean of its divisors is an integer number (1682186445912).

Almost surely, 2^{11531522544244} is an apocalyptic number.

It is an amenable number.

11531522544244 is a deficient number, since it is larger than the sum of its proper divisors (8654714806700).

11531522544244 is a wasteful number, since it uses less digits than its factorization.

11531522544244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867556934 (or 867556932 counting only the distinct ones).

The product of its digits is 768000, while the sum is 43.

The spelling of 11531522544244 in words is "eleven trillion, five hundred thirty-one billion, five hundred twenty-two million, five hundred forty-four thousand, two hundred forty-four".