11122532431361 has 12 divisors (see below), whose sum is σ = 12044050224300. Its totient is φ = 10266846819840.

The previous prime is 11122532431357. The next prime is 11122532431391. The reversal of 11122532431361 is 16313423522111.

It can be written as a sum of positive squares in 6 ways, for example, as 503895540736 + 10618636890625 = 709856^2 + 3258625^2 .

It is not a de Polignac number, because 11122532431361 - 2² = 11122532431357 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11122532431391) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19437065 + ... + 20001113.

It is an arithmetic number, because the mean of its divisors is an integer number (1003670852025).

Almost surely, 2^{11122532431361} is an apocalyptic number.

It is an amenable number.

11122532431361 is a deficient number, since it is larger than the sum of its proper divisors (921517792939).

11122532431361 is a wasteful number, since it uses less digits than its factorization.

11122532431361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680756 (or 680743 counting only the distinct ones).

The product of its digits is 25920, while the sum is 35.

Adding to 11122532431361 its reverse (16313423522111), we get a palindrome (27435955953472).

The spelling of 11122532431361 in words is "eleven trillion, one hundred twenty-two billion, five hundred thirty-two million, four hundred thirty-one thousand, three hundred sixty-one".