11112345568887 has 16 divisors (see below), whose sum is σ = 14835913851360. Its totient is φ = 7398509064192.

The previous prime is 11112345568837. The next prime is 11112345568943. The reversal of 11112345568887 is 78886554321111.

11112345568887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11112345568887 - 2¹² = 11112345564791 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11112345568887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112345568837) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7868943 + ... + 9173055.

It is an arithmetic number, because the mean of its divisors is an integer number (927244615710).

Almost surely, 2^{11112345568887} is an apocalyptic number.

11112345568887 is a deficient number, since it is larger than the sum of its proper divisors (3723568282473).

11112345568887 is a wasteful number, since it uses less digits than its factorization.

11112345568887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1307842.

The product of its digits is 12902400, while the sum is 60.

Adding to 11112345568887 its reverse (78886554321111), we get a palindrome (89998899889998).

The spelling of 11112345568887 in words is "eleven trillion, one hundred twelve billion, three hundred forty-five million, five hundred sixty-eight thousand, eight hundred eighty-seven".