11123345551679 has 2 divisors, whose sum is σ = 11123345551680. Its totient is φ = 11123345551678.

The previous prime is 11123345551649. The next prime is 11123345551711. The reversal of 11123345551679 is 97615554332111.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11123345551679 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11123345551679.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11123345551649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5561672775839 + 5561672775840.

It is an arithmetic number, because the mean of its divisors is an integer number (5561672775840).

Almost surely, 2^{11123345551679} is an apocalyptic number.

11123345551679 is a deficient number, since it is larger than the sum of its proper divisors (1).

11123345551679 is an equidigital number, since it uses as much as digits as its factorization.

11123345551679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3402000, while the sum is 53.

The spelling of 11123345551679 in words is "eleven trillion, one hundred twenty-three billion, three hundred forty-five million, five hundred fifty-one thousand, six hundred seventy-nine".