11631105344 has 14 divisors (see below), whose sum is σ = 23080474794. Its totient is φ = 5815552640.

The previous prime is 11631105319. The next prime is 11631105349. The reversal of 11631105344 is 44350113611.

It can be written as a sum of positive squares in only one way, i.e., 6259974400 + 5371130944 = 79120^2 + 73288^2 .

It is a super-2 number, since 2×11631105344² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11631105349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90867947 + ... + 90868074.

Almost surely, 2^11631105344 is an apocalyptic number.

It is an amenable number.

11631105344 is a deficient number, since it is larger than the sum of its proper divisors (11449369450).

11631105344 is an equidigital number, since it uses as much as digits as its factorization.

11631105344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181736033 (or 181736023 counting only the distinct ones).

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

Adding to 11631105344 its reverse (44350113611), we get a palindrome (55981218955).

The spelling of 11631105344 in words is "eleven billion, six hundred thirty-one million, one hundred five thousand, three hundred forty-four".