512542335545 has 16 divisors (see below), whose sum is σ = 619953160320. Its totient is φ = 406778131200.

The previous prime is 512542335541. The next prime is 512542335577. The reversal of 512542335545 is 545533245215.

It is not a de Polignac number, because 512542335545 - 2² = 512542335541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 512542335496 and 512542335505.

It is not an unprimeable number, because it can be changed into a prime (512542335541) by changing a digit.

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, 452960 + ... + 1109169.

It is an arithmetic number, because the mean of its divisors is an integer number (38747072520).

Almost surely, 2^512542335545 is an apocalyptic number.

It is an amenable number.

512542335545 is a deficient number, since it is larger than the sum of its proper divisors (107410824775).

512542335545 is a wasteful number, since it uses less digits than its factorization.

512542335545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1562656.

The product of its digits is 1800000, while the sum is 44.

The spelling of 512542335545 in words is "five hundred twelve billion, five hundred forty-two million, three hundred thirty-five thousand, five hundred forty-five".