505154264856 has 32 divisors (see below), whose sum is σ = 1263380870400. Its totient is φ = 168318727200.

The previous prime is 505154264837. The next prime is 505154264863. The reversal of 505154264856 is 658462451505.

It is a junction number, because it is equal to n+sod(n) for n = 505154264799 and 505154264808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4064236 + ... + 4186683.

It is an arithmetic number, because the mean of its divisors is an integer number (39480652200).

Almost surely, 2^505154264856 is an apocalyptic number.

It is an amenable number.

505154264856 is an abundant number, since it is smaller than the sum of its proper divisors (758226605544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

505154264856 is a wasteful number, since it uses less digits than its factorization.

505154264856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8253479 (or 8253475 counting only the distinct ones).

The product of its (nonzero) digits is 5760000, while the sum is 51.

The spelling of 505154264856 in words is "five hundred five billion, one hundred fifty-four million, two hundred sixty-four thousand, eight hundred fifty-six".