113005587 has 8 divisors (see below), whose sum is σ = 150769600. Its totient is φ = 75289320.

The previous prime is 113005583. The next prime is 113005609. The reversal of 113005587 is 785500311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 113005587 - 2² = 113005583 is a prime.

It is a super-3 number, since 3×113005587³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113005583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5989 + ... + 16182.

It is an arithmetic number, because the mean of its divisors is an integer number (18846200).

Almost surely, 2^113005587 is an apocalyptic number.

113005587 is a deficient number, since it is larger than the sum of its proper divisors (37764013).

113005587 is a wasteful number, since it uses less digits than its factorization.

113005587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23873.

The product of its (nonzero) digits is 4200, while the sum is 30.

The square root of 113005587 is about 10630.4085998611. The cubic root of 113005587 is about 483.4667803804.

Adding to 113005587 its reverse (785500311), we get a palindrome (898505898).

The spelling of 113005587 in words is "one hundred thirteen million, five thousand, five hundred eighty-seven".