11800252772 has 96 divisors (see below), whose sum is σ = 28200856320. Its totient is φ = 4177797120.

The previous prime is 11800252771. The next prime is 11800252811. The reversal of 11800252772 is 27725200811.

It is not an unprimeable number, because it can be changed into a prime (11800252771) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 112988 + ... + 190700.

It is an arithmetic number, because the mean of its divisors is an integer number (293758920).

Almost surely, 2^11800252772 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11800252772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14100428160).

11800252772 is an abundant number, since it is smaller than the sum of its proper divisors (16400603548).

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

11800252772 is a wasteful number, since it uses less digits than its factorization.

11800252772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77781 (or 77779 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 35.

The spelling of 11800252772 in words is "eleven billion, eight hundred million, two hundred fifty-two thousand, seven hundred seventy-two".