2001110552 has 128 divisors (see below), whose sum is σ = 4644864000. Its totient is φ = 789264000.

The previous prime is 2001110537. The next prime is 2001110563. The reversal of 2001110552 is 2550111002.

It is a self number, because there is not a number n which added to its sum of digits gives 2001110552.

It is a congruent number.

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, 7972427 + ... + 7972677.

It is an arithmetic number, because the mean of its divisors is an integer number (36288000).

Almost surely, 2^2001110552 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 2001110552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2322432000).

2001110552 is an abundant number, since it is smaller than the sum of its proper divisors (2643753448).

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

2001110552 is a wasteful number, since it uses less digits than its factorization.

2001110552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469 (or 465 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 2001110552 is about 44733.7741756718. The cubic root of 2001110552 is about 1260.1542080515.

Adding to 2001110552 its reverse (2550111002), we get a palindrome (4551221554).

The spelling of 2001110552 in words is "two billion, one million, one hundred ten thousand, five hundred fifty-two".