1112472291919 has 4 divisors (see below), whose sum is σ = 1112474573496. Its totient is φ = 1112470010344.

The previous prime is 1112472291881. The next prime is 1112472291923. The reversal of 1112472291919 is 9191922742111.

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 1112472291919 - 2⁹ = 1112472291407 is a prime.

It is a super-2 number, since 2×1112472291919² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112472291019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81589 + ... + 1493854.

It is an arithmetic number, because the mean of its divisors is an integer number (278118643374).

Almost surely, 2^{1112472291919} is an apocalyptic number.

1112472291919 is a deficient number, since it is larger than the sum of its proper divisors (2281577).

1112472291919 is an equidigital number, since it uses as much as digits as its factorization.

1112472291919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2281576.

The product of its digits is 163296, while the sum is 49.

The spelling of 1112472291919 in words is "one trillion, one hundred twelve billion, four hundred seventy-two million, two hundred ninety-one thousand, nine hundred nineteen".