11819880862744 has 32 divisors (see below), whose sum is σ = 23329122102000. Its totient is φ = 5598792565632.

The previous prime is 11819880862723. The next prime is 11819880862789. The reversal of 11819880862744 is 44726808891811.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 11819880862744.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8392002 + ... + 9698734.

Almost surely, 2^{11819880862744} is an apocalyptic number.

It is an amenable number.

11819880862744 is a deficient number, since it is larger than the sum of its proper divisors (11509241239256).

11819880862744 is a wasteful number, since it uses less digits than its factorization.

11819880862744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1366267 (or 1366263 counting only the distinct ones).

The product of its (nonzero) digits is 49545216, while the sum is 67.

The spelling of 11819880862744 in words is "eleven trillion, eight hundred nineteen billion, eight hundred eighty million, eight hundred sixty-two thousand, seven hundred forty-four".