11743639845 has 32 divisors (see below), whose sum is σ = 21583127808. Its totient is φ = 5341260288.

The previous prime is 11743639823. The next prime is 11743639847. The reversal of 11743639845 is 54893634711.

It is not a de Polignac number, because 11743639845 - 2⁶ = 11743639781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11743639847) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 263184 + ... + 304553.

It is an arithmetic number, because the mean of its divisors is an integer number (674472744).

Almost surely, 2^11743639845 is an apocalyptic number.

11743639845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11743639845 is a deficient number, since it is larger than the sum of its proper divisors (9839487963).

11743639845 is a wasteful number, since it uses less digits than its factorization.

11743639845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567949.

The product of its digits is 2177280, while the sum is 51.

The spelling of 11743639845 in words is "eleven billion, seven hundred forty-three million, six hundred thirty-nine thousand, eight hundred forty-five".