544420145511 has 32 divisors (see below), whose sum is σ = 926179948800. Its totient is φ = 312585726240.

The previous prime is 544420145419. The next prime is 544420145527. The reversal of 544420145511 is 115541024445.

544420145511 is a `hidden beast` number, since 5 + 44 + 420 + 145 + 51 + 1 = 666.

It is not a de Polignac number, because 544420145511 - 2⁹ = 544420144999 is a prime.

It is a super-2 number, since 2×544420145511² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544420141511) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48232896 + ... + 48244181.

It is an arithmetic number, because the mean of its divisors is an integer number (28943123400).

Almost surely, 2^544420145511 is an apocalyptic number.

544420145511 is a deficient number, since it is larger than the sum of its proper divisors (381759803289).

544420145511 is a wasteful number, since it uses less digits than its factorization.

544420145511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96477116 (or 96477110 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 36.

Adding to 544420145511 its reverse (115541024445), we get a palindrome (659961169956).

The spelling of 544420145511 in words is "five hundred forty-four billion, four hundred twenty million, one hundred forty-five thousand, five hundred eleven".