1111232545679 has 4 divisors (see below), whose sum is σ = 1111249614576. Its totient is φ = 1111215476784.

The previous prime is 1111232545669. The next prime is 1111232545697. The reversal of 1111232545679 is 9765452321111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1111232545679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111232545639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8436419 + ... + 8567124.

It is an arithmetic number, because the mean of its divisors is an integer number (277812403644).

Almost surely, 2^{1111232545679} is an apocalyptic number.

1111232545679 is a deficient number, since it is larger than the sum of its proper divisors (17068897).

1111232545679 is an equidigital number, since it uses as much as digits as its factorization.

1111232545679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17068896.

The product of its digits is 453600, while the sum is 47.

The spelling of 1111232545679 in words is "one trillion, one hundred eleven billion, two hundred thirty-two million, five hundred forty-five thousand, six hundred seventy-nine".