11852008840 has 128 divisors (see below), whose sum is σ = 31611513600. Its totient is φ = 3912975360.

The previous prime is 11852008807. The next prime is 11852008933. The reversal of 11852008840 is 4880025811.

It is a happy number.

It is a super-2 number, since 2×11852008840² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11852008840.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3416787 + ... + 3420253.

It is an arithmetic number, because the mean of its divisors is an integer number (246964950).

Almost surely, 2^11852008840 is an apocalyptic number.

11852008840 is a gapful number since it is divisible by the number (10) 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 11852008840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15805756800).

11852008840 is an abundant number, since it is smaller than the sum of its proper divisors (19759504760).

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

11852008840 is a wasteful number, since it uses less digits than its factorization.

11852008840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3935 (or 3931 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 37.

The spelling of 11852008840 in words is "eleven billion, eight hundred fifty-two million, eight thousand, eight hundred forty".