2011000072 has 16 divisors (see below), whose sum is σ = 3789576000. Its totient is φ = 1000446480.

The previous prime is 2011000007. The next prime is 2011000081. The reversal of 2011000072 is 2700001102.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 630004 + ... + 633187.

It is an arithmetic number, because the mean of its divisors is an integer number (236848500).

Almost surely, 2^2011000072 is an apocalyptic number.

It is an amenable number.

2011000072 is a deficient number, since it is larger than the sum of its proper divisors (1778575928).

2011000072 is a wasteful number, since it uses less digits than its factorization.

2011000072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263396 (or 1263392 counting only the distinct ones).

The product of its (nonzero) digits is 28, while the sum is 13.

The square root of 2011000072 is about 44844.1754523372. The cubic root of 2011000072 is about 1262.2266983745.

Adding to 2011000072 its reverse (2700001102), we get a palindrome (4711001174).

The spelling of 2011000072 in words is "two billion, eleven million, seventy-two", and thus it is an aban number and an uban number.