444504102112111 has 16 divisors (see below), whose sum is σ = 454812406022304. Its totient is φ = 434309975967744.

The previous prime is 444504102112061. The next prime is 444504102112123. The reversal of 444504102112111 is 111211201405444.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 444504102112111 - 2¹⁷ = 444504101981039 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 (444504102112211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 468475071 + ... + 469422943.

It is an arithmetic number, because the mean of its divisors is an integer number (28425775376394).

Almost surely, 2^{444504102112111} is an apocalyptic number.

444504102112111 is a deficient number, since it is larger than the sum of its proper divisors (10308303910193).

444504102112111 is a wasteful number, since it uses less digits than its factorization.

444504102112111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008090.

The product of its (nonzero) digits is 5120, while the sum is 31.

Adding to 444504102112111 its reverse (111211201405444), we get a palindrome (555715303517555).

The spelling of 444504102112111 in words is "four hundred forty-four trillion, five hundred four billion, one hundred two million, one hundred twelve thousand, one hundred eleven".