104399511 has 8 divisors (see below), whose sum is σ = 139599600. Its totient is φ = 69399552.

The previous prime is 104399501. The next prime is 104399521. The reversal of 104399511 is 115993401.

It is an interprime number because it is at equal distance from previous prime (104399501) and next prime (104399521).

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

It is not a de Polignac number, because 104399511 - 2⁵ = 104399479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104399501) 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, 48810 + ... + 50903.

It is an arithmetic number, because the mean of its divisors is an integer number (17449950).

Almost surely, 2^104399511 is an apocalyptic number.

104399511 is a deficient number, since it is larger than the sum of its proper divisors (35200089).

104399511 is an equidigital number, since it uses as much as digits as its factorization.

104399511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100065.

The product of its (nonzero) digits is 4860, while the sum is 33.

The square root of 104399511 is about 10217.6078903039. The cubic root of 104399511 is about 470.8683373946.

The spelling of 104399511 in words is "one hundred four million, three hundred ninety-nine thousand, five hundred eleven".