2011802730811 has 16 divisors (see below), whose sum is σ = 2091505867200. Its totient is φ = 1932807235968.

The previous prime is 2011802730809. The next prime is 2011802730871. The reversal of 2011802730811 is 1180372081102.

It is a cyclic number.

It is not a de Polignac number, because 2011802730811 - 2¹ = 2011802730809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011802730871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5799985 + ... + 6137053.

It is an arithmetic number, because the mean of its divisors is an integer number (130719116700).

Almost surely, 2^{2011802730811} is an apocalyptic number.

2011802730811 is a deficient number, since it is larger than the sum of its proper divisors (79703136389).

2011802730811 is a wasteful number, since it uses less digits than its factorization.

2011802730811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338118.

The product of its (nonzero) digits is 5376, while the sum is 34.

The spelling of 2011802730811 in words is "two trillion, eleven billion, eight hundred two million, seven hundred thirty thousand, eight hundred eleven".