11145365720687 has 16 divisors (see below), whose sum is σ = 12203047007232. Its totient is φ = 10095098908320.

The previous prime is 11145365720623. The next prime is 11145365720711. The reversal of 11145365720687 is 78602756354111.

It is a cyclic number.

It is not a de Polignac number, because 11145365720687 - 2⁶ = 11145365720623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11145365720087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75927998 + ... + 76074644.

It is an arithmetic number, because the mean of its divisors is an integer number (762690437952).

Almost surely, 2^{11145365720687} is an apocalyptic number.

11145365720687 is a deficient number, since it is larger than the sum of its proper divisors (1057681286545).

11145365720687 is a wasteful number, since it uses less digits than its factorization.

11145365720687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171878.

The product of its (nonzero) digits is 8467200, while the sum is 56.

The spelling of 11145365720687 in words is "eleven trillion, one hundred forty-five billion, three hundred sixty-five million, seven hundred twenty thousand, six hundred eighty-seven".