111660663806095 has 16 divisors (see below), whose sum is σ = 144893336969088. Its totient is φ = 82285104939520.

The previous prime is 111660663806077. The next prime is 111660663806161. The reversal of 111660663806095 is 590608366066111.

It is a happy number.

It is not a de Polignac number, because 111660663806095 - 2¹⁹ = 111660663281807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13975047796 + ... + 13975055785.

It is an arithmetic number, because the mean of its divisors is an integer number (9055833560568).

Almost surely, 2^{111660663806095} is an apocalyptic number.

111660663806095 is a deficient number, since it is larger than the sum of its proper divisors (33232673162993).

111660663806095 is a wasteful number, since it uses less digits than its factorization.

111660663806095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27950103650.

The product of its (nonzero) digits is 8398080, while the sum is 58.

The spelling of 111660663806095 in words is "one hundred eleven trillion, six hundred sixty billion, six hundred sixty-three million, eight hundred six thousand, ninety-five".