544620442212111 has 16 divisors (see below), whose sum is σ = 750290284943360. Its totient is φ = 351037483400160.

The previous prime is 544620442212079. The next prime is 544620442212127. The reversal of 544620442212111 is 111212244026445.

It is not a de Polignac number, because 544620442212111 - 2⁵ = 544620442212079 is a prime.

It is a super-2 number, since 2×544620442212111² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 544620442212111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544620442212911) 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, 2754432556 + ... + 2754630273.

It is an arithmetic number, because the mean of its divisors is an integer number (46893142808960).

Almost surely, 2^{544620442212111} is an apocalyptic number.

544620442212111 is a deficient number, since it is larger than the sum of its proper divisors (205669842731249).

544620442212111 is a wasteful number, since it uses less digits than its factorization.

544620442212111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5509063926.

The product of its (nonzero) digits is 122880, while the sum is 39.

Adding to 544620442212111 its reverse (111212244026445), we get a palindrome (655832686238556).

The spelling of 544620442212111 in words is "five hundred forty-four trillion, six hundred twenty billion, four hundred forty-two million, two hundred twelve thousand, one hundred eleven".