11286894971456 has 56 divisors (see below), whose sum is σ = 24898386234624. Its totient is φ = 5041293027840.

The previous prime is 11286894971369. The next prime is 11286894971477. The reversal of 11286894971456 is 65417949868211.

It is a self number, because there is not a number n which added to its sum of digits gives 11286894971456.

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, 218780330 + ... + 218831913.

It is an arithmetic number, because the mean of its divisors is an integer number (444614039904).

Almost surely, 2^{11286894971456} is an apocalyptic number.

11286894971456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11286894971456 is an abundant number, since it is smaller than the sum of its proper divisors (13611491263168).

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

11286894971456 is a wasteful number, since it uses less digits than its factorization.

11286894971456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437612299 (or 437612289 counting only the distinct ones).

The product of its digits is 209018880, while the sum is 71.

The spelling of 11286894971456 in words is "eleven trillion, two hundred eighty-six billion, eight hundred ninety-four million, nine hundred seventy-one thousand, four hundred fifty-six".