1111472679 has 4 divisors (see below), whose sum is σ = 1481963576. Its totient is φ = 740981784.

The previous prime is 1111472639. The next prime is 1111472683. The reversal of 1111472679 is 9762741111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9762741111 = 3 ⋅3254247037.

It is not a de Polignac number, because 1111472679 - 2⁸ = 1111472423 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 (1111472639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185245444 + ... + 185245449.

It is an arithmetic number, because the mean of its divisors is an integer number (370490894).

Almost surely, 2^1111472679 is an apocalyptic number.

1111472679 is a deficient number, since it is larger than the sum of its proper divisors (370490897).

1111472679 is an equidigital number, since it uses as much as digits as its factorization.

1111472679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370490896.

The product of its digits is 21168, while the sum is 39.

The square root of 1111472679 is about 33338.7564105202. The cubic root of 1111472679 is about 1035.8565040169.

The spelling of 1111472679 in words is "one billion, one hundred eleven million, four hundred seventy-two thousand, six hundred seventy-nine".