18411101 has 4 divisors (see below), whose sum is σ = 18484704. Its totient is φ = 18337500.

The previous prime is 18411083. The next prime is 18411137. The reversal of 18411101 is 10111481.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10111481 = 17 ⋅594793.

It is a cyclic number.

It is not a de Polignac number, because 18411101 - 2⁶ = 18411037 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 18411101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18411161) 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, 36425 + ... + 36926.

It is an arithmetic number, because the mean of its divisors is an integer number (4621176).

Almost surely, 2^18411101 is an apocalyptic number.

It is an amenable number.

18411101 is a deficient number, since it is larger than the sum of its proper divisors (73603).

18411101 is an equidigital number, since it uses as much as digits as its factorization.

18411101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73602.

The product of its (nonzero) digits is 32, while the sum is 17.

The square root of 18411101 is about 4290.8158897813. The cubic root of 18411101 is about 264.0543056710.

Adding to 18411101 its reverse (10111481), we get a palindrome (28522582).

The spelling of 18411101 in words is "eighteen million, four hundred eleven thousand, one hundred one".