515234363704545 has 32 divisors (see below), whose sum is σ = 839966194166400. Its totient is φ = 269595046283264.

The previous prime is 515234363704519. The next prime is 515234363704591. The reversal of 515234363704545 is 545407363432515.

It is a cyclic number.

It is not a de Polignac number, because 515234363704545 - 2⁵ = 515234363704513 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 3826801 + ... + 32328209.

It is an arithmetic number, because the mean of its divisors is an integer number (26248943567700).

Almost surely, 2^{515234363704545} is an apocalyptic number.

It is an amenable number.

515234363704545 is a deficient number, since it is larger than the sum of its proper divisors (324731830461855).

515234363704545 is a wasteful number, since it uses less digits than its factorization.

515234363704545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28524209.

The product of its (nonzero) digits is 90720000, while the sum is 57.

The spelling of 515234363704545 in words is "five hundred fifteen trillion, two hundred thirty-four billion, three hundred sixty-three million, seven hundred four thousand, five hundred forty-five".