111936085617 has 16 divisors (see below), whose sum is σ = 151720557120. Its totient is φ = 73388251200.

The previous prime is 111936085561. The next prime is 111936085619. The reversal of 111936085617 is 716580639111.

It is not a de Polignac number, because 111936085617 - 2²⁶ = 111868976753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111936085619) 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, 1098442 + ... + 1196012.

It is an arithmetic number, because the mean of its divisors is an integer number (9482534820).

Almost surely, 2^111936085617 is an apocalyptic number.

It is an amenable number.

111936085617 is a deficient number, since it is larger than the sum of its proper divisors (39784471503).

111936085617 is an equidigital number, since it uses as much as digits as its factorization.

111936085617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103904.

The product of its (nonzero) digits is 272160, while the sum is 48.

The spelling of 111936085617 in words is "one hundred eleven billion, nine hundred thirty-six million, eighty-five thousand, six hundred seventeen".