444201523531121 has 8 divisors (see below), whose sum is σ = 454705178079744. Its totient is φ = 433741725578560.

The previous prime is 444201523531091. The next prime is 444201523531141. The reversal of 444201523531121 is 121135325102444.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-444201523531121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444201523531141) 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, 10964128520 + ... + 10964169033.

It is an arithmetic number, because the mean of its divisors is an integer number (56838147259968).

Almost surely, 2^{444201523531121} is an apocalyptic number.

It is an amenable number.

444201523531121 is a deficient number, since it is larger than the sum of its proper divisors (10503654548623).

444201523531121 is a wasteful number, since it uses less digits than its factorization.

444201523531121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21928298031.

The product of its (nonzero) digits is 115200, while the sum is 38.

Adding to 444201523531121 its reverse (121135325102444), we get a palindrome (565336848633565).

The spelling of 444201523531121 in words is "four hundred forty-four trillion, two hundred one billion, five hundred twenty-three million, five hundred thirty-one thousand, one hundred twenty-one".