2011091510911 has 8 divisors (see below), whose sum is σ = 2298400292864. Its totient is φ = 1723785227640.

The previous prime is 2011091510893. The next prime is 2011091510941. The reversal of 2011091510911 is 1190151901102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2011091510911 - 2¹⁹ = 2011090986623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011091510941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1654366 + ... + 2599828.

It is an arithmetic number, because the mean of its divisors is an integer number (287300036608).

Almost surely, 2^{2011091510911} is an apocalyptic number.

2011091510911 is a deficient number, since it is larger than the sum of its proper divisors (287308781953).

2011091510911 is an equidigital number, since it uses as much as digits as its factorization.

2011091510911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1249341.

The product of its (nonzero) digits is 810, while the sum is 31.

The spelling of 2011091510911 in words is "two trillion, eleven billion, ninety-one million, five hundred ten thousand, nine hundred eleven".