513512355025455 has 16 divisors (see below), whose sum is σ = 822251297486304. Its totient is φ = 273662746198400.

The previous prime is 513512355025441. The next prime is 513512355025493. The reversal of 513512355025455 is 554520553215315.

It is a happy number.

It is not a de Polignac number, because 513512355025455 - 2²⁷ = 513512220807727 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 513512355025398 and 513512355025407.

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, 13156843284 + ... + 13156882313.

It is an arithmetic number, because the mean of its divisors is an integer number (51390706092894).

Almost surely, 2^{513512355025455} is an apocalyptic number.

513512355025455 is a deficient number, since it is larger than the sum of its proper divisors (308738942460849).

513512355025455 is a wasteful number, since it uses less digits than its factorization.

513512355025455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26313726906.

The product of its (nonzero) digits is 11250000, while the sum is 51.

The spelling of 513512355025455 in words is "five hundred thirteen trillion, five hundred twelve billion, three hundred fifty-five million, twenty-five thousand, four hundred fifty-five".