11431113424 has 10 divisors (see below), whose sum is σ = 22147782290. Its totient is φ = 5715556704.

The previous prime is 11431113401. The next prime is 11431113433. The reversal of 11431113424 is 42431113411.

It can be written as a sum of positive squares in only one way, i.e., 8500840000 + 2930273424 = 92200^2 + 54132^2 .

It is a super-2 number, since 2×11431113424² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 357222279 + ... + 357222310.

It is an arithmetic number, because the mean of its divisors is an integer number (2214778229).

Almost surely, 2^11431113424 is an apocalyptic number.

It is an amenable number.

11431113424 is a deficient number, since it is larger than the sum of its proper divisors (10716668866).

11431113424 is an equidigital number, since it uses as much as digits as its factorization.

11431113424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714444597 (or 714444591 counting only the distinct ones).

The product of its digits is 1152, while the sum is 25.

Adding to 11431113424 its reverse (42431113411), we get a palindrome (53862226835).

The spelling of 11431113424 in words is "eleven billion, four hundred thirty-one million, one hundred thirteen thousand, four hundred twenty-four".