11431240000 has 70 divisors (see below), whose sum is σ = 28345859234. Its totient is φ = 4572480000.

The previous prime is 11431239991. The next prime is 11431240019. The reversal of 11431240000 is 4213411.

It can be written as a sum of positive squares in 5 ways, for example, as 1204367616 + 10226872384 = 34704^2 + 101128^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 102891 + ... + 182890.

Almost surely, 2^11431240000 is an apocalyptic number.

11431240000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11431240000 is an abundant number, since it is smaller than the sum of its proper divisors (16914619234).

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

11431240000 is an frugal number, since it uses more digits than its factorization.

11431240000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285813 (or 285788 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 11431240000 its reverse (4213411), we get a palindrome (11435453411).

The spelling of 11431240000 in words is "eleven billion, four hundred thirty-one million, two hundred forty thousand".