11853211236 has 12 divisors (see below), whose sum is σ = 27657492912. Its totient is φ = 3951070408.

The previous prime is 11853211229. The next prime is 11853211241. The reversal of 11853211236 is 63211235811.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 11853211197 and 11853211206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 493883790 + ... + 493883813.

It is an arithmetic number, because the mean of its divisors is an integer number (2304791076).

Almost surely, 2^11853211236 is an apocalyptic number.

It is an amenable number.

11853211236 is an abundant number, since it is smaller than the sum of its proper divisors (15804281676).

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

11853211236 is a wasteful number, since it uses less digits than its factorization.

11853211236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987767610 (or 987767608 counting only the distinct ones).

The product of its digits is 8640, while the sum is 33.

The spelling of 11853211236 in words is "eleven billion, eight hundred fifty-three million, two hundred eleven thousand, two hundred thirty-six".