11145666679 has 16 divisors (see below), whose sum is σ = 12788045056. Its totient is φ = 9515880000.

The previous prime is 11145666661. The next prime is 11145666683. The reversal of 11145666679 is 97666654111.

It is a cyclic number.

It is not a de Polignac number, because 11145666679 - 2⁹ = 11145666167 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 (11145666979) 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, 4950304 + ... + 4952554.

It is an arithmetic number, because the mean of its divisors is an integer number (799252816).

Almost surely, 2^11145666679 is an apocalyptic number.

11145666679 is a deficient number, since it is larger than the sum of its proper divisors (1642378377).

11145666679 is a wasteful number, since it uses less digits than its factorization.

11145666679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4726.

The product of its digits is 1632960, while the sum is 52.

The spelling of 11145666679 in words is "eleven billion, one hundred forty-five million, six hundred sixty-six thousand, six hundred seventy-nine".