28560263361256 has 32 divisors (see below), whose sum is σ = 59777295415200. Its totient is φ = 12680032357440.

The previous prime is 28560263361247. The next prime is 28560263361307. The reversal of 28560263361256 is 65216336206582.

It is a junction number, because it is equal to n+sod(n) for n = 28560263361197 and 28560263361206.

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, 3773815371 + ... + 3773822938.

It is an arithmetic number, because the mean of its divisors is an integer number (1868040481725).

Almost surely, 2^{28560263361256} is an apocalyptic number.

It is an amenable number.

28560263361256 is an abundant number, since it is smaller than the sum of its proper divisors (31217032053944).

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

28560263361256 is a wasteful number, since it uses less digits than its factorization.

28560263361256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7547638369 (or 7547638365 counting only the distinct ones).

The product of its (nonzero) digits is 18662400, while the sum is 55.

The spelling of 28560263361256 in words is "twenty-eight trillion, five hundred sixty billion, two hundred sixty-three million, three hundred sixty-one thousand, two hundred fifty-six".