2001111443052 has 48 divisors (see below), whose sum is σ = 4850512740864. Its totient is φ = 641602192000.

The previous prime is 2001111443039. The next prime is 2001111443083. The reversal of 2001111443052 is 2503441111002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28608024 + ... + 28677887.

It is an arithmetic number, because the mean of its divisors is an integer number (101052348768).

Almost surely, 2^{2001111443052} is an apocalyptic number.

It is an amenable number.

2001111443052 is an abundant number, since it is smaller than the sum of its proper divisors (2849401297812).

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

2001111443052 is a wasteful number, since it uses less digits than its factorization.

2001111443052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57286030 (or 57286028 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 2001111443052 its reverse (2503441111002), we get a palindrome (4504552554054).

The spelling of 2001111443052 in words is "two trillion, one billion, one hundred eleven million, four hundred forty-three thousand, fifty-two".