11853343968 has 24 divisors (see below), whose sum is σ = 31115028168. Its totient is φ = 3951114624.

The previous prime is 11853343961. The next prime is 11853343969. The reversal of 11853343968 is 86934335811.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 11853343968.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11853343961) 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, 61736071 + ... + 61736262.

It is an arithmetic number, because the mean of its divisors is an integer number (1296459507).

Almost surely, 2^11853343968 is an apocalyptic number.

It is an amenable number.

11853343968 is an abundant number, since it is smaller than the sum of its proper divisors (19261684200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11853343968 is a wasteful number, since it uses less digits than its factorization.

11853343968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123472346 (or 123472338 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 51.

The spelling of 11853343968 in words is "eleven billion, eight hundred fifty-three million, three hundred forty-three thousand, nine hundred sixty-eight".