11431839744 has 672 divisors, whose sum is σ = 40103481600. Its totient is φ = 3224862720.

The previous prime is 11431839743. The next prime is 11431839761. The reversal of 11431839744 is 44793813411.

It is a happy number.

11431839744 is a `hidden beast` number, since 11 + 431 + 83 + 97 + 44 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 11431839744.

It is not an unprimeable number, because it can be changed into a prime (11431839743) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 368769009 + ... + 368769039.

It is an arithmetic number, because the mean of its divisors is an integer number (59677800).

Almost surely, 2^11431839744 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11431839744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20051740800).

11431839744 is an abundant number, since it is smaller than the sum of its proper divisors (28671641856).

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

11431839744 is an equidigital number, since it uses as much as digits as its factorization.

11431839744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103 (or 68 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The spelling of 11431839744 in words is "eleven billion, four hundred thirty-one million, eight hundred thirty-nine thousand, seven hundred forty-four".