201455799811 has 16 divisors (see below), whose sum is σ = 236008028160. Its totient is φ = 168374098080.

The previous prime is 201455799773. The next prime is 201455799817. The reversal of 201455799811 is 118997554102.

It is a cyclic number.

It is not a de Polignac number, because 201455799811 - 2¹⁵ = 201455767043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201455799817) 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, 1049655 + ... + 1226656.

It is an arithmetic number, because the mean of its divisors is an integer number (14750501760).

Almost surely, 2^201455799811 is an apocalyptic number.

201455799811 is a deficient number, since it is larger than the sum of its proper divisors (34552228349).

201455799811 is a wasteful number, since it uses less digits than its factorization.

201455799811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2276634.

The product of its (nonzero) digits is 907200, while the sum is 52.

The spelling of 201455799811 in words is "two hundred one billion, four hundred fifty-five million, seven hundred ninety-nine thousand, eight hundred eleven".