513625265211 has 4 divisors (see below), whose sum is σ = 684833686952. Its totient is φ = 342416843472.

The previous prime is 513625265203. The next prime is 513625265267. The reversal of 513625265211 is 112562526315.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 513625265211 - 2³ = 513625265203 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 513625265211.

It is not an unprimeable number, because it can be changed into a prime (513625261211) 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 3 ways as a sum of consecutive naturals, for example, 85604210866 + ... + 85604210871.

It is an arithmetic number, because the mean of its divisors is an integer number (171208421738).

Almost surely, 2^513625265211 is an apocalyptic number.

513625265211 is a deficient number, since it is larger than the sum of its proper divisors (171208421741).

513625265211 is a wasteful number, since it uses less digits than its factorization.

513625265211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171208421740.

The product of its digits is 108000, while the sum is 39.

The spelling of 513625265211 in words is "five hundred thirteen billion, six hundred twenty-five million, two hundred sixty-five thousand, two hundred eleven".