11122532431240 has 16 divisors (see below), whose sum is σ = 25025697970380. Its totient is φ = 4449012972480.

The previous prime is 11122532431229. The next prime is 11122532431247. The reversal of 11122532431240 is 4213423522111.

It can be written as a sum of positive squares in 2 ways, for example, as 11119970654244 + 2561776996 = 3334662^2 + 50614^2 .

It is not an unprimeable number, because it can be changed into a prime (11122532431247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139031655351 + ... + 139031655430.

Almost surely, 2^{11122532431240} is an apocalyptic number.

11122532431240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11122532431240 is an abundant number, since it is smaller than the sum of its proper divisors (13903165539140).

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

11122532431240 is a wasteful number, since it uses less digits than its factorization.

11122532431240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278063310792 (or 278063310788 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 11122532431240 its reverse (4213423522111), we get a palindrome (15335955953351).

The spelling of 11122532431240 in words is "eleven trillion, one hundred twenty-two billion, five hundred thirty-two million, four hundred thirty-one thousand, two hundred forty".