513425513455 has 16 divisors (see below), whose sum is σ = 658217162880. Its totient is φ = 383314691232.

The previous prime is 513425513441. The next prime is 513425513519. The reversal of 513425513455 is 554315524315.

It is a cyclic number.

It is not a de Polignac number, because 513425513455 - 2²⁵ = 513391959023 is a prime.

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, 40325569 + ... + 40338298.

It is an arithmetic number, because the mean of its divisors is an integer number (41138572680).

Almost surely, 2^513425513455 is an apocalyptic number.

513425513455 is a deficient number, since it is larger than the sum of its proper divisors (144791649425).

513425513455 is a wasteful number, since it uses less digits than its factorization.

513425513455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80663958.

The product of its digits is 900000, while the sum is 43.

The spelling of 513425513455 in words is "five hundred thirteen billion, four hundred twenty-five million, five hundred thirteen thousand, four hundred fifty-five".