116011585 has 4 divisors (see below), whose sum is σ = 139213908. Its totient is φ = 92809264.

The previous prime is 116011561. The next prime is 116011601. The reversal of 116011585 is 585110611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 585110611 = 59 ⋅9917129.

It can be written as a sum of positive squares in 2 ways, for example, as 68690944 + 47320641 = 8288^2 + 6879^2 .

It is a cyclic number.

It is not a de Polignac number, because 116011585 - 2⁹ = 116011073 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11601154 + ... + 11601163.

It is an arithmetic number, because the mean of its divisors is an integer number (34803477).

Almost surely, 2^116011585 is an apocalyptic number.

It is an amenable number.

116011585 is a deficient number, since it is larger than the sum of its proper divisors (23202323).

116011585 is an equidigital number, since it uses as much as digits as its factorization.

116011585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23202322.

The product of its (nonzero) digits is 1200, while the sum is 28.

The square root of 116011585 is about 10770.8674209648. The cubic root of 116011585 is about 487.7161312085.

The spelling of 116011585 in words is "one hundred sixteen million, eleven thousand, five hundred eighty-five".