11452431320 has 32 divisors (see below), whose sum is σ = 28110514320. Its totient is φ = 4164520320.

The previous prime is 11452431271. The next prime is 11452431323. The reversal of 11452431320 is 2313425411.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 11452431320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11452431323) 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 7 ways as a sum of consecutive naturals, for example, 13013687 + ... + 13014566.

Almost surely, 2^11452431320 is an apocalyptic number.

11452431320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11452431320 is an abundant number, since it is smaller than the sum of its proper divisors (16658083000).

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

11452431320 is a wasteful number, since it uses less digits than its factorization.

11452431320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26028275 (or 26028271 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 11452431320 its reverse (2313425411), we get a palindrome (13765856731).

The spelling of 11452431320 in words is "eleven billion, four hundred fifty-two million, four hundred thirty-one thousand, three hundred twenty".