104111555 has 8 divisors (see below), whose sum is σ = 126222432. Its totient is φ = 82430208.

The previous prime is 104111551. The next prime is 104111597. The reversal of 104111555 is 555111401.

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

It is a cyclic number.

It is not a de Polignac number, because 104111555 - 2² = 104111551 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 104111555.

It is not an unprimeable number, because it can be changed into a prime (104111551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106847 + ... + 107816.

It is an arithmetic number, because the mean of its divisors is an integer number (15777804).

Almost surely, 2^104111555 is an apocalyptic number.

104111555 is a deficient number, since it is larger than the sum of its proper divisors (22110877).

104111555 is an equidigital number, since it uses as much as digits as its factorization.

104111555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214765.

The product of its (nonzero) digits is 500, while the sum is 23.

The square root of 104111555 is about 10203.5069951463. The cubic root of 104111555 is about 470.4350204999.

Adding to 104111555 its reverse (555111401), we get a palindrome (659222956).

The spelling of 104111555 in words is "one hundred four million, one hundred eleven thousand, five hundred fifty-five".