534511264515521 has 16 divisors (see below), whose sum is σ = 557866702676736. Its totient is φ = 511165485490176.

The previous prime is 534511264515497. The next prime is 534511264515559. The reversal of 534511264515521 is 125515462115435.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-534511264515521 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 534511264515521.

It is not an unprimeable number, because it can be changed into a prime (534511261515521) 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, 3806366516 + ... + 3806506938.

It is an arithmetic number, because the mean of its divisors is an integer number (34866668917296).

Almost surely, 2^{534511264515521} is an apocalyptic number.

It is an amenable number.

534511264515521 is a deficient number, since it is larger than the sum of its proper divisors (23355438161215).

534511264515521 is a wasteful number, since it uses less digits than its factorization.

534511264515521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173632.

The product of its digits is 3600000, while the sum is 50.

The spelling of 534511264515521 in words is "five hundred thirty-four trillion, five hundred eleven billion, two hundred sixty-four million, five hundred fifteen thousand, five hundred twenty-one".