10888888111111 has 16 divisors (see below), whose sum is σ = 11533763295360. Its totient is φ = 10251358535520.

The previous prime is 10888888111109. The next prime is 10888888111229. The reversal of 10888888111111 is 11111188888801.

It is a happy number.

10888888111111 is a nontrivial binomial coefficient, being equal to C(4666667, 2).

It is not a de Polignac number, because 10888888111111 - 2¹ = 10888888111109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10888888115111) 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, 1 + ... + 4666666.

It is an arithmetic number, because the mean of its divisors is an integer number (720860205960).

Almost surely, 2^{10888888111111} is an apocalyptic number.

10888888111111 is the 4666666-th triangular number.

10888888111111 is the 1555556-th centered nonagonal number.

10888888111111 is a deficient number, since it is larger than the sum of its proper divisors (644875184249).

10888888111111 is a wasteful number, since it uses less digits than its factorization.

10888888111111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4667454.

The product of its (nonzero) digits is 262144, while the sum is 55.

The spelling of 10888888111111 in words is "ten trillion, eight hundred eighty-eight billion, eight hundred eighty-eight million, one hundred eleven thousand, one hundred eleven".