11855884244 has 12 divisors (see below), whose sum is σ = 21649875744. Its totient is φ = 5670205464.

The previous prime is 11855884241. The next prime is 11855884247. The reversal of 11855884244 is 44248855811.

It is an interprime number because it is at equal distance from previous prime (11855884241) and next prime (11855884247).

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 11855884192 and 11855884201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11855884241) 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, 64434062 + ... + 64434245.

It is an arithmetic number, because the mean of its divisors is an integer number (1804156312).

Almost surely, 2^11855884244 is an apocalyptic number.

It is an amenable number.

11855884244 is a deficient number, since it is larger than the sum of its proper divisors (9793991500).

11855884244 is a wasteful number, since it uses less digits than its factorization.

11855884244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128868334 (or 128868332 counting only the distinct ones).

The product of its digits is 1638400, while the sum is 50.

The spelling of 11855884244 in words is "eleven billion, eight hundred fifty-five million, eight hundred eighty-four thousand, two hundred forty-four".