544040123011 has 16 divisors (see below), whose sum is σ = 678690351360. Its totient is φ = 423673267680.

The previous prime is 544040122999. The next prime is 544040123021. The reversal of 544040123011 is 110321040445.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-544040123011 is a prime.

It is a super-2 number, since 2×544040123011² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (544040123021) 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, 1988161 + ... + 2245186.

It is an arithmetic number, because the mean of its divisors is an integer number (42418146960).

Almost surely, 2^544040123011 is an apocalyptic number.

544040123011 is a deficient number, since it is larger than the sum of its proper divisors (134650228349).

544040123011 is a wasteful number, since it uses less digits than its factorization.

544040123011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4235034.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 544040123011 its reverse (110321040445), we get a palindrome (654361163456).

The spelling of 544040123011 in words is "five hundred forty-four billion, forty million, one hundred twenty-three thousand, eleven".