513565475655 has 16 divisors (see below), whose sum is σ = 837208625760. Its totient is φ = 268733632128.

The previous prime is 513565475639. The next prime is 513565475711. The reversal of 513565475655 is 556574565315.

It is not a de Polignac number, because 513565475655 - 2⁴ = 513565475639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 513565475595 and 513565475604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 322996360 + ... + 322997949.

It is an arithmetic number, because the mean of its divisors is an integer number (52325539110).

Almost surely, 2^513565475655 is an apocalyptic number.

513565475655 is a deficient number, since it is larger than the sum of its proper divisors (323643150105).

513565475655 is a wasteful number, since it uses less digits than its factorization.

513565475655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645994370.

The product of its digits is 47250000, while the sum is 57.

The spelling of 513565475655 in words is "five hundred thirteen billion, five hundred sixty-five million, four hundred seventy-five thousand, six hundred fifty-five".