111745100617 has 4 divisors (see below), whose sum is σ = 111751579780. Its totient is φ = 111738621456.

The previous prime is 111745100611. The next prime is 111745100671. The reversal of 111745100617 is 716001547111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 716001547111 = 683 ⋅1048318517.

It can be written as a sum of positive squares in 2 ways, for example, as 3738221881 + 108006878736 = 61141^2 + 328644^2 .

It is a cyclic number.

It is not a de Polignac number, because 111745100617 - 2¹⁵ = 111745067849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111745100611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3213642 + ... + 3248227.

It is an arithmetic number, because the mean of its divisors is an integer number (27937894945).

Almost surely, 2^111745100617 is an apocalyptic number.

It is an amenable number.

111745100617 is a deficient number, since it is larger than the sum of its proper divisors (6479163).

111745100617 is an equidigital number, since it uses as much as digits as its factorization.

111745100617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6479162.

The product of its (nonzero) digits is 5880, while the sum is 34.

Adding to 111745100617 its reverse (716001547111), we get a palindrome (827746647728).

The spelling of 111745100617 in words is "one hundred eleven billion, seven hundred forty-five million, one hundred thousand, six hundred seventeen".