11267225566 has 4 divisors (see below), whose sum is σ = 16900838352. Its totient is φ = 5633612782.

The previous prime is 11267225561. The next prime is 11267225689. The reversal of 11267225566 is 66552276211.

11267225566 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66552276211 = 3217 ⋅20687683.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11267225561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2816806390 + ... + 2816806393.

It is an arithmetic number, because the mean of its divisors is an integer number (4225209588).

Almost surely, 2^11267225566 is an apocalyptic number.

11267225566 is a deficient number, since it is larger than the sum of its proper divisors (5633612786).

11267225566 is an equidigital number, since it uses as much as digits as its factorization.

11267225566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5633612785.

The product of its digits is 302400, while the sum is 43.

The spelling of 11267225566 in words is "eleven billion, two hundred sixty-seven million, two hundred twenty-five thousand, five hundred sixty-six".