28503355112855 has 32 divisors (see below), whose sum is σ = 41430767345280. Its totient is φ = 18377210880000.

The previous prime is 28503355112833. The next prime is 28503355112863. The reversal of 28503355112855 is 55821155330582.

It is not a de Polignac number, because 28503355112855 - 2¹⁶ = 28503355047319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28503355112797 and 28503355112806.

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, 23138396 + ... + 24339105.

It is an arithmetic number, because the mean of its divisors is an integer number (1294711479540).

Almost surely, 2^{28503355112855} is an apocalyptic number.

28503355112855 is a deficient number, since it is larger than the sum of its proper divisors (12927412232425).

28503355112855 is a wasteful number, since it uses less digits than its factorization.

28503355112855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47478539.

The product of its (nonzero) digits is 7200000, while the sum is 53.

The spelling of 28503355112855 in words is "twenty-eight trillion, five hundred three billion, three hundred fifty-five million, one hundred twelve thousand, eight hundred fifty-five".