1111567900667 has 4 divisors (see below), whose sum is σ = 1270363315056. Its totient is φ = 952772486280.

The previous prime is 1111567900633. The next prime is 1111567900721. The reversal of 1111567900667 is 7660097651111.

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 1111567900667 - 2³⁰ = 1110494158843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111567905667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79397707184 + ... + 79397707197.

It is an arithmetic number, because the mean of its divisors is an integer number (317590828764).

Almost surely, 2^{1111567900667} is an apocalyptic number.

1111567900667 is a deficient number, since it is larger than the sum of its proper divisors (158795414389).

1111567900667 is an equidigital number, since it uses as much as digits as its factorization.

1111567900667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158795414388.

The product of its (nonzero) digits is 476280, while the sum is 50.

The spelling of 1111567900667 in words is "one trillion, one hundred eleven billion, five hundred sixty-seven million, nine hundred thousand, six hundred sixty-seven".