11843556393 has 8 divisors (see below), whose sum is σ = 15816437056. Its totient is φ = 7883190000.

The previous prime is 11843556391. The next prime is 11843556397. The reversal of 11843556393 is 39365534811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11843556393 - 2¹ = 11843556391 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11843556391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3126358 + ... + 3130143.

It is an arithmetic number, because the mean of its divisors is an integer number (1977054632).

Almost surely, 2^11843556393 is an apocalyptic number.

It is an amenable number.

11843556393 is a deficient number, since it is larger than the sum of its proper divisors (3972880663).

11843556393 is an equidigital number, since it uses as much as digits as its factorization.

11843556393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6257135.

The product of its digits is 1166400, while the sum is 48.

The spelling of 11843556393 in words is "eleven billion, eight hundred forty-three million, five hundred fifty-six thousand, three hundred ninety-three".