2011872852 has 72 divisors (see below), whose sum is σ = 5572580832. Its totient is φ = 606945600.

The previous prime is 2011872839. The next prime is 2011872869. The reversal of 2011872852 is 2582781102.

It is a super-2 number, since 2×2011872852² = 8095264745229227808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78702 + ... + 101082.

It is an arithmetic number, because the mean of its divisors is an integer number (77396956).

Almost surely, 2^2011872852 is an apocalyptic number.

2011872852 is a gapful number since it is divisible by the number (22) 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 2011872852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2786290416).

2011872852 is an abundant number, since it is smaller than the sum of its proper divisors (3560707980).

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

2011872852 is a wasteful number, since it uses less digits than its factorization.

2011872852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22629 (or 22624 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 36.

The square root of 2011872852 is about 44853.9056493412. The cubic root of 2011872852 is about 1262.4092753418.

The spelling of 2011872852 in words is "two billion, eleven million, eight hundred seventy-two thousand, eight hundred fifty-two".