11177861026686 has 16 divisors (see below), whose sum is σ = 23327709969024. Its totient is φ = 3563955689624.

The previous prime is 11177861026649. The next prime is 11177861026711. The reversal of 11177861026686 is 68662016877111.

It is a congruent number.

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, 40499496336 + ... + 40499496611.

It is an arithmetic number, because the mean of its divisors is an integer number (1457981873064).

Almost surely, 2^{11177861026686} is an apocalyptic number.

11177861026686 is an abundant number, since it is smaller than the sum of its proper divisors (12149848942338).

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

11177861026686 is a wasteful number, since it uses less digits than its factorization.

11177861026686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80998992975.

The product of its (nonzero) digits is 8128512, while the sum is 60.

The spelling of 11177861026686 in words is "eleven trillion, one hundred seventy-seven billion, eight hundred sixty-one million, twenty-six thousand, six hundred eighty-six".