104985611 has 4 divisors (see below), whose sum is σ = 105565824. Its totient is φ = 104405400.

The previous prime is 104985599. The next prime is 104985649. The reversal of 104985611 is 116589401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104985611 is a prime.

It is a super-2 number, since 2×104985611² = 22043957034086642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104985691) 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, 289835 + ... + 290196.

It is an arithmetic number, because the mean of its divisors is an integer number (26391456).

Almost surely, 2^104985611 is an apocalyptic number.

104985611 is a deficient number, since it is larger than the sum of its proper divisors (580213).

104985611 is an equidigital number, since it uses as much as digits as its factorization.

104985611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580212.

The product of its (nonzero) digits is 8640, while the sum is 35.

The square root of 104985611 is about 10246.2486305965. The cubic root of 104985611 is about 471.7478469206.

The spelling of 104985611 in words is "one hundred four million, nine hundred eighty-five thousand, six hundred eleven".