444545521013111 has 16 divisors (see below), whose sum is σ = 538097490469440. Its totient is φ = 358518255943680.

The previous prime is 444545521013071. The next prime is 444545521013141. The reversal of 444545521013111 is 111310125545444.

It is not a de Polignac number, because 444545521013111 - 2²⁶ = 444545453904247 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 (444545521013141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 555338906 + ... + 556138823.

It is an arithmetic number, because the mean of its divisors is an integer number (33631093154340).

Almost surely, 2^{444545521013111} is an apocalyptic number.

444545521013111 is a deficient number, since it is larger than the sum of its proper divisors (93551969456329).

444545521013111 is a wasteful number, since it uses less digits than its factorization.

444545521013111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111481114.

The product of its (nonzero) digits is 192000, while the sum is 41.

Adding to 444545521013111 its reverse (111310125545444), we get a palindrome (555855646558555).

The spelling of 444545521013111 in words is "four hundred forty-four trillion, five hundred forty-five billion, five hundred twenty-one million, thirteen thousand, one hundred eleven".