1122889011779 has 4 divisors (see below), whose sum is σ = 1161609322560. Its totient is φ = 1084168701000.

The previous prime is 1122889011773. The next prime is 1122889011799. The reversal of 1122889011779 is 9771109882211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1122889011779 - 2⁸ = 1122889011523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122889011773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19360155347 + ... + 19360155404.

It is an arithmetic number, because the mean of its divisors is an integer number (290402330640).

Almost surely, 2^{1122889011779} is an apocalyptic number.

1122889011779 is a deficient number, since it is larger than the sum of its proper divisors (38720310781).

1122889011779 is an equidigital number, since it uses as much as digits as its factorization.

1122889011779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38720310780.

The product of its (nonzero) digits is 1016064, while the sum is 56.

The spelling of 1122889011779 in words is "one trillion, one hundred twenty-two billion, eight hundred eighty-nine million, eleven thousand, seven hundred seventy-nine".