11843612656 has 20 divisors (see below), whose sum is σ = 22950589104. Its totient is φ = 5920880000.

The previous prime is 11843612653. The next prime is 11843612659. The reversal of 11843612656 is 65621634811.

It is an interprime number because it is at equal distance from previous prime (11843612653) and next prime (11843612659).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11843612653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54156 + ... + 163156.

Almost surely, 2^11843612656 is an apocalyptic number.

11843612656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11843612656 is a deficient number, since it is larger than the sum of its proper divisors (11106976448).

11843612656 is a wasteful number, since it uses less digits than its factorization.

11843612656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115800 (or 115794 counting only the distinct ones).

The product of its digits is 207360, while the sum is 43.

The spelling of 11843612656 in words is "eleven billion, eight hundred forty-three million, six hundred twelve thousand, six hundred fifty-six".