18411025013 has 4 divisors (see below), whose sum is σ = 18422745888. Its totient is φ = 18399304140.

The previous prime is 18411024997. The next prime is 18411025021. The reversal of 18411025013 is 31052011481.

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.

It is a cyclic number.

It is not a de Polignac number, because 18411025013 - 2⁴ = 18411024997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18411045013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5858081 + ... + 5861222.

It is an arithmetic number, because the mean of its divisors is an integer number (4605686472).

Almost surely, 2^18411025013 is an apocalyptic number.

It is an amenable number.

18411025013 is a deficient number, since it is larger than the sum of its proper divisors (11720875).

18411025013 is a wasteful number, since it uses less digits than its factorization.

18411025013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11720874.

The product of its (nonzero) digits is 960, while the sum is 26.

Adding to 18411025013 its reverse (31052011481), we get a palindrome (49463036494).

The spelling of 18411025013 in words is "eighteen billion, four hundred eleven million, twenty-five thousand, thirteen".