513203264555 has 16 divisors (see below), whose sum is σ = 637101352800. Its totient is φ = 396391941120.

The previous prime is 513203264533. The next prime is 513203264573. The reversal of 513203264555 is 555462302315.

It is a de Polignac number, because none of the positive numbers 2^k-513203264555 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 15 ways as a sum of consecutive naturals, for example, 8223620 + ... + 8285790.

It is an arithmetic number, because the mean of its divisors is an integer number (39818834550).

Almost surely, 2^513203264555 is an apocalyptic number.

513203264555 is a deficient number, since it is larger than the sum of its proper divisors (123898088245).

513203264555 is a wasteful number, since it uses less digits than its factorization.

513203264555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119134.

The product of its (nonzero) digits is 540000, while the sum is 41.

The spelling of 513203264555 in words is "five hundred thirteen billion, two hundred three million, two hundred sixty-four thousand, five hundred fifty-five".