11123455666679 has 8 divisors (see below), whose sum is σ = 11276942022192. Its totient is φ = 10969999318080.

The previous prime is 11123455666667. The next prime is 11123455666703. The reversal of 11123455666679 is 97666655432111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11123455666679 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11123455666619) 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, 6754712 + ... + 8238509.

It is an arithmetic number, because the mean of its divisors is an integer number (1409617752774).

Almost surely, 2^{11123455666679} is an apocalyptic number.

11123455666679 is a deficient number, since it is larger than the sum of its proper divisors (153486355513).

11123455666679 is a wasteful number, since it uses less digits than its factorization.

11123455666679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15003457.

The product of its digits is 48988800, while the sum is 62.

The spelling of 11123455666679 in words is "eleven trillion, one hundred twenty-three billion, four hundred fifty-five million, six hundred sixty-six thousand, six hundred seventy-nine".