541726545065 has 8 divisors (see below), whose sum is σ = 651913419528. Its totient is φ = 432153525760.

The previous prime is 541726544951. The next prime is 541726545079. The reversal of 541726545065 is 560545627145.

It can be written as a sum of positive squares in 4 ways, for example, as 12880921 + 541713664144 = 3589^2 + 736012^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 541726545065 - 2¹⁰ = 541726544041 is a prime.

It is a super-2 number, since 2×541726545065² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153461846 + ... + 153465375.

It is an arithmetic number, because the mean of its divisors is an integer number (81489177441).

Almost surely, 2^541726545065 is an apocalyptic number.

It is an amenable number.

541726545065 is a deficient number, since it is larger than the sum of its proper divisors (110186874463).

541726545065 is a wasteful number, since it uses less digits than its factorization.

541726545065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306927579.

The product of its (nonzero) digits is 5040000, while the sum is 50.

The spelling of 541726545065 in words is "five hundred forty-one billion, seven hundred twenty-six million, five hundred forty-five thousand, sixty-five".