104665511 has 4 divisors (see below), whose sum is σ = 104748000. Its totient is φ = 104583024.

The previous prime is 104665501. The next prime is 104665523. The reversal of 104665511 is 115566401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 115566401 = 433 ⋅266897.

It is a cyclic number.

It is not a de Polignac number, because 104665511 - 2¹⁰ = 104664487 is a prime.

It is a super-2 number, since 2×104665511² = 21909738385782242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104665501) 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, 39311 + ... + 41888.

It is an arithmetic number, because the mean of its divisors is an integer number (26187000).

Almost surely, 2^104665511 is an apocalyptic number.

104665511 is a deficient number, since it is larger than the sum of its proper divisors (82489).

104665511 is an equidigital number, since it uses as much as digits as its factorization.

104665511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82488.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 104665511 is about 10230.6163548439. The cubic root of 104665511 is about 471.2679074405.

The spelling of 104665511 in words is "one hundred four million, six hundred sixty-five thousand, five hundred eleven".