11122784567779 has 16 divisors (see below), whose sum is σ = 11494672691040. Its totient is φ = 10756052697600.

The previous prime is 11122784567777. The next prime is 11122784567809. The reversal of 11122784567779 is 97776548722111.

It is a cyclic number.

It is not a de Polignac number, because 11122784567779 - 2¹ = 11122784567777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11122784567777) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123804427 + ... + 123894235.

It is an arithmetic number, because the mean of its divisors is an integer number (718417043190).

Almost surely, 2^{11122784567779} is an apocalyptic number.

11122784567779 is a deficient number, since it is larger than the sum of its proper divisors (371888123261).

11122784567779 is a wasteful number, since it uses less digits than its factorization.

11122784567779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118470.

The product of its digits is 82978560, while the sum is 67.

The spelling of 11122784567779 in words is "eleven trillion, one hundred twenty-two billion, seven hundred eighty-four million, five hundred sixty-seven thousand, seven hundred seventy-nine".