111545345117 has 2 divisors, whose sum is σ = 111545345118. Its totient is φ = 111545345116.

The previous prime is 111545345089. The next prime is 111545345159. The reversal of 111545345117 is 711543545111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73998144676 + 37547200441 = 272026^2 + 193771^2 .

It is a cyclic number.

It is not a de Polignac number, because 111545345117 - 2¹² = 111545341021 is a prime.

It is a super-3 number, since 3×111545345117³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111545645117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55772672558 + 55772672559.

It is an arithmetic number, because the mean of its divisors is an integer number (55772672559).

Almost surely, 2^111545345117 is an apocalyptic number.

It is an amenable number.

111545345117 is a deficient number, since it is larger than the sum of its proper divisors (1).

111545345117 is an equidigital number, since it uses as much as digits as its factorization.

111545345117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42000, while the sum is 38.

The spelling of 111545345117 in words is "one hundred eleven billion, five hundred forty-five million, three hundred forty-five thousand, one hundred seventeen".