544145242511 has 4 divisors (see below), whose sum is σ = 586002568872. Its totient is φ = 502287916152.

The previous prime is 544145242499. The next prime is 544145242513. The reversal of 544145242511 is 115242541445.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 544145242511 - 2³⁸ = 269267335567 is a prime.

It is a super-3 number, since 3×544145242511³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544145242513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20928663161 + ... + 20928663186.

It is an arithmetic number, because the mean of its divisors is an integer number (146500642218).

Almost surely, 2^544145242511 is an apocalyptic number.

544145242511 is a deficient number, since it is larger than the sum of its proper divisors (41857326361).

544145242511 is a wasteful number, since it uses less digits than its factorization.

544145242511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41857326360.

The product of its digits is 128000, while the sum is 38.

Adding to 544145242511 its reverse (115242541445), we get a palindrome (659387783956).

It can be divided in two parts, 54414 and 5242511, that added together give a palindrome (5296925).

The spelling of 544145242511 in words is "five hundred forty-four billion, one hundred forty-five million, two hundred forty-two thousand, five hundred eleven".