11853815352 has 64 divisors (see below), whose sum is σ = 31512667680. Its totient is φ = 3702853632.

The previous prime is 11853815317. The next prime is 11853815353. The reversal of 11853815352 is 25351835811.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11853815353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32718 + ... + 157410.

Almost surely, 2^11853815352 is an apocalyptic number.

11853815352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11853815352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15756333840).

11853815352 is an abundant number, since it is smaller than the sum of its proper divisors (19658852328).

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

11853815352 is a wasteful number, since it uses less digits than its factorization.

11853815352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124952 (or 124948 counting only the distinct ones).

The product of its digits is 144000, while the sum is 42.

The spelling of 11853815352 in words is "eleven billion, eight hundred fifty-three million, eight hundred fifteen thousand, three hundred fifty-two".