11789243745 has 48 divisors (see below), whose sum is σ = 19751921280. Its totient is φ = 6004058368.

The previous prime is 11789243743. The next prime is 11789243773. The reversal of 11789243745 is 54734298711.

It is not a de Polignac number, because 11789243745 - 2¹ = 11789243743 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11789243743) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7561276 + ... + 7562834.

It is an arithmetic number, because the mean of its divisors is an integer number (411498360).

Almost surely, 2^11789243745 is an apocalyptic number.

11789243745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11789243745 is a deficient number, since it is larger than the sum of its proper divisors (7962677535).

11789243745 is a wasteful number, since it uses less digits than its factorization.

11789243745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2566 (or 2543 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 51.

The spelling of 11789243745 in words is "eleven billion, seven hundred eighty-nine million, two hundred forty-three thousand, seven hundred forty-five".