266076220011 has 12 divisors (see below), whose sum is σ = 412689647592. Its totient is φ = 152043554208.

The previous prime is 266076220009. The next prime is 266076220021. The reversal of 266076220011 is 110022670662.

It is not a de Polignac number, because 266076220011 - 2¹ = 266076220009 is a prime.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (266076220021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 905021010 + ... + 905021303.

It is an arithmetic number, because the mean of its divisors is an integer number (34390803966).

Almost surely, 2^266076220011 is an apocalyptic number.

266076220011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

266076220011 is a deficient number, since it is larger than the sum of its proper divisors (146613427581).

266076220011 is a wasteful number, since it uses less digits than its factorization.

266076220011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1810042330 (or 1810042323 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

Adding to 266076220011 its reverse (110022670662), we get a palindrome (376098890673).

The spelling of 266076220011 in words is "two hundred sixty-six billion, seventy-six million, two hundred twenty thousand, eleven".