111444623493 has 8 divisors (see below), whose sum is σ = 169820378688. Its totient is φ = 63682641984.

The previous prime is 111444623473. The next prime is 111444623497. The reversal of 111444623493 is 394326444111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 111444623493 - 2⁸ = 111444623237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111444623497) 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, 2653443396 + ... + 2653443437.

It is an arithmetic number, because the mean of its divisors is an integer number (21227547336).

Almost surely, 2^111444623493 is an apocalyptic number.

It is an amenable number.

111444623493 is a deficient number, since it is larger than the sum of its proper divisors (58375755195).

111444623493 is an equidigital number, since it uses as much as digits as its factorization.

111444623493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5306886843.

The product of its digits is 248832, while the sum is 42.

The spelling of 111444623493 in words is "one hundred eleven billion, four hundred forty-four million, six hundred twenty-three thousand, four hundred ninety-three".