12243645711 has 24 divisors (see below), whose sum is σ = 19463769936. Its totient is φ = 7354717440.

The previous prime is 12243645697. The next prime is 12243645719. The reversal of 12243645711 is 11754634221.

12243645711 is a `hidden beast` number, since 1 + 2 + 2 + 4 + 3 + 645 + 7 + 1 + 1 = 666.

It is not a de Polignac number, because 12243645711 - 2⁵ = 12243645679 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12243645719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 536040 + ... + 558413.

It is an arithmetic number, because the mean of its divisors is an integer number (810990414).

Almost surely, 2^12243645711 is an apocalyptic number.

12243645711 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12243645711 is a deficient number, since it is larger than the sum of its proper divisors (7220124225).

12243645711 is a wasteful number, since it uses less digits than its factorization.

12243645711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094583 (or 1094580 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The spelling of 12243645711 in words is "twelve billion, two hundred forty-three million, six hundred forty-five thousand, seven hundred eleven".