254205325105545 has 16 divisors (see below), whose sum is σ = 443703840184512. Its totient is φ = 123251066717760.

The previous prime is 254205325105453. The next prime is 254205325105727. The reversal of 254205325105545 is 545501523502452.

It is not a de Polignac number, because 254205325105545 - 2¹⁷ = 254205324974473 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 254205325105494 and 254205325105503.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 770319166822 + ... + 770319167151.

It is an arithmetic number, because the mean of its divisors is an integer number (27731490011532).

Almost surely, 2^{254205325105545} is an apocalyptic number.

It is an amenable number.

254205325105545 is a deficient number, since it is larger than the sum of its proper divisors (189498515078967).

254205325105545 is a wasteful number, since it uses less digits than its factorization.

254205325105545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1540638333992.

The product of its (nonzero) digits is 6000000, while the sum is 48.

Adding to 254205325105545 its reverse (545501523502452), we get a palindrome (799706848607997).

The spelling of 254205325105545 in words is "two hundred fifty-four trillion, two hundred five billion, three hundred twenty-five million, one hundred five thousand, five hundred forty-five".