11681425744 has 10 divisors (see below), whose sum is σ = 22632762410. Its totient is φ = 5840712864.

The previous prime is 11681425729. The next prime is 11681425783. The reversal of 11681425744 is 44752418611.

It can be written as a sum of positive squares in only one way, i.e., 11651043600 + 30382144 = 107940^2 + 5512^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11681425744.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 365044539 + ... + 365044570.

It is an arithmetic number, because the mean of its divisors is an integer number (2263276241).

Almost surely, 2^11681425744 is an apocalyptic number.

It is an amenable number.

11681425744 is a deficient number, since it is larger than the sum of its proper divisors (10951336666).

11681425744 is an equidigital number, since it uses as much as digits as its factorization.

11681425744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730089117 (or 730089111 counting only the distinct ones).

The product of its digits is 215040, while the sum is 43.

The spelling of 11681425744 in words is "eleven billion, six hundred eighty-one million, four hundred twenty-five thousand, seven hundred forty-four".