1111456813447 has 8 divisors (see below), whose sum is σ = 1149619554720. Its totient is φ = 1073820455040.

The previous prime is 1111456813381. The next prime is 1111456813451. The reversal of 1111456813447 is 7443186541111.

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 not a de Polignac number, because 1111456813447 - 2¹⁹ = 1111456289159 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1111456813397 and 1111456813406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111456853447) 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, 131591422 + ... + 131599867.

It is an arithmetic number, because the mean of its divisors is an integer number (143702444340).

Almost surely, 2^{1111456813447} is an apocalyptic number.

1111456813447 is a deficient number, since it is larger than the sum of its proper divisors (38162741273).

1111456813447 is a wasteful number, since it uses less digits than its factorization.

1111456813447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263191433.

The product of its digits is 322560, while the sum is 46.

The spelling of 1111456813447 in words is "one trillion, one hundred eleven billion, four hundred fifty-six million, eight hundred thirteen thousand, four hundred forty-seven".