11115132420266 has 16 divisors (see below), whose sum is σ = 19199967019200. Its totient is φ = 4727264605440.

The previous prime is 11115132420251. The next prime is 11115132420269. The reversal of 11115132420266 is 66202423151111.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11115132420269) 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, 3030295991 + ... + 3030299658.

It is an arithmetic number, because the mean of its divisors is an integer number (1199997938700).

Almost surely, 2^{11115132420266} is an apocalyptic number.

11115132420266 is a deficient number, since it is larger than the sum of its proper divisors (8084834598934).

11115132420266 is a wasteful number, since it uses less digits than its factorization.

11115132420266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6060595789.

The product of its (nonzero) digits is 17280, while the sum is 35.

Adding to 11115132420266 its reverse (66202423151111), we get a palindrome (77317555571377).

The spelling of 11115132420266 in words is "eleven trillion, one hundred fifteen billion, one hundred thirty-two million, four hundred twenty thousand, two hundred sixty-six".