512020622636455 has 32 divisors (see below), whose sum is σ = 647114804784000. Its totient is φ = 388158362296320.

The previous prime is 512020622636429. The next prime is 512020622636477. The reversal of 512020622636455 is 554636226020215.

It is not a de Polignac number, because 512020622636455 - 2²⁷ = 512020488418727 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 512020622636399 and 512020622636408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18620671 + ... + 37023919.

It is an arithmetic number, because the mean of its divisors is an integer number (20222337649500).

Almost surely, 2^{512020622636455} is an apocalyptic number.

512020622636455 is a deficient number, since it is larger than the sum of its proper divisors (135094182147545).

512020622636455 is a wasteful number, since it uses less digits than its factorization.

512020622636455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18405531.

The product of its (nonzero) digits is 5184000, while the sum is 49.

The spelling of 512020622636455 in words is "five hundred twelve trillion, twenty billion, six hundred twenty-two million, six hundred thirty-six thousand, four hundred fifty-five".