200911001911 has 16 divisors (see below), whose sum is σ = 203547193344. Its totient is φ = 198292739904.

The previous prime is 200911001903. The next prime is 200911001933. The reversal of 200911001911 is 119100119002.

It is a cyclic number.

It is not a de Polignac number, because 200911001911 - 2³ = 200911001903 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 (200911001411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55148056 + ... + 55151698.

It is an arithmetic number, because the mean of its divisors is an integer number (12721699584).

Almost surely, 2^200911001911 is an apocalyptic number.

200911001911 is a deficient number, since it is larger than the sum of its proper divisors (2636191433).

200911001911 is a wasteful number, since it uses less digits than its factorization.

200911001911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5910.

The product of its (nonzero) digits is 162, while the sum is 25.

The spelling of 200911001911 in words is "two hundred billion, nine hundred eleven million, one thousand, nine hundred eleven".