11853044868 has 192 divisors, whose sum is σ = 33800675328. Its totient is φ = 3162032640.

The previous prime is 11853044851. The next prime is 11853044869. The reversal of 11853044868 is 86844035811.

It is a super-2 number, since 2×11853044868² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11853044869) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7741263 + ... + 7742793.

It is an arithmetic number, because the mean of its divisors is an integer number (176045184).

Almost surely, 2^11853044868 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11853044868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16900337664).

11853044868 is an abundant number, since it is smaller than the sum of its proper divisors (21947630460).

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

11853044868 is a wasteful number, since it uses less digits than its factorization.

11853044868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1682 (or 1680 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 48.

The spelling of 11853044868 in words is "eleven billion, eight hundred fifty-three million, forty-four thousand, eight hundred sixty-eight".