11853856252 has 12 divisors (see below), whose sum is σ = 23707712560. Its totient is φ = 5080224096.

The previous prime is 11853856207. The next prime is 11853856297. The reversal of 11853856252 is 25265835811.

It is an interprime number because it is at equal distance from previous prime (11853856207) and next prime (11853856297).

11853856252 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211675977 + ... + 211676032.

Almost surely, 2^11853856252 is an apocalyptic number.

It is an amenable number.

11853856252 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11853856252 is a wasteful number, since it uses less digits than its factorization.

11853856252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423352020 (or 423352018 counting only the distinct ones).

The product of its digits is 576000, while the sum is 46.

The spelling of 11853856252 in words is "eleven billion, eight hundred fifty-three million, eight hundred fifty-six thousand, two hundred fifty-two".