2011866795 has 32 divisors (see below), whose sum is σ = 3591551040. Its totient is φ = 1068526080.

The previous prime is 2011866767. The next prime is 2011866809. The reversal of 2011866795 is 5976681102.

It is not a de Polignac number, because 2011866795 - 2¹⁰ = 2011865771 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 2011866795.

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, 1617 + ... + 63453.

It is an arithmetic number, because the mean of its divisors is an integer number (112235970).

Almost surely, 2^2011866795 is an apocalyptic number.

2011866795 is a deficient number, since it is larger than the sum of its proper divisors (1579684245).

2011866795 is a wasteful number, since it uses less digits than its factorization.

2011866795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62092 (or 62086 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The square root of 2011866795 is about 44853.8381300865. The cubic root of 2011866795 is about 1262.4080084591.

The spelling of 2011866795 in words is "two billion, eleven million, eight hundred sixty-six thousand, seven hundred ninety-five".