111025078040449 has 4 divisors (see below), whose sum is σ = 114025755825364. Its totient is φ = 108024400255536.

The previous prime is 111025078040423. The next prime is 111025078040473. The reversal of 111025078040449 is 944040870520111.

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

It can be written as a sum of positive squares in 2 ways, for example, as 77220947127025 + 33804130913424 = 8787545^2 + 5814132^2 .

It is a cyclic number.

It is not a de Polignac number, because 111025078040449 - 2³⁹ = 110475322226561 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111025078040399 and 111025078040408.

It is not an unprimeable number, because it can be changed into a prime (111025078440449) 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, 1500338892402 + ... + 1500338892475.

It is an arithmetic number, because the mean of its divisors is an integer number (28506438956341).

Almost surely, 2^{111025078040449} is an apocalyptic number.

It is an amenable number.

111025078040449 is a deficient number, since it is larger than the sum of its proper divisors (3000677784915).

111025078040449 is an equidigital number, since it uses as much as digits as its factorization.

111025078040449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3000677784914.

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

The spelling of 111025078040449 in words is "one hundred eleven trillion, twenty-five billion, seventy-eight million, forty thousand, four hundred forty-nine".