11121278897267 has 24 divisors (see below), whose sum is σ = 14166778045440. Its totient is φ = 8481549954960.

The previous prime is 11121278897227. The next prime is 11121278897279. The reversal of 11121278897267 is 76279887212111.

It is not a de Polignac number, because 11121278897267 - 2⁶ = 11121278897203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11121278897227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32521667 + ... + 32861852.

It is an arithmetic number, because the mean of its divisors is an integer number (590282418560).

Almost surely, 2^{11121278897267} is an apocalyptic number.

11121278897267 is a deficient number, since it is larger than the sum of its proper divisors (3045499148173).

11121278897267 is an equidigital number, since it uses as much as digits as its factorization.

11121278897267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65383631 (or 65383584 counting only the distinct ones).

The product of its digits is 9483264, while the sum is 62.

The spelling of 11121278897267 in words is "eleven trillion, one hundred twenty-one billion, two hundred seventy-eight million, eight hundred ninety-seven thousand, two hundred sixty-seven".