18321101401 has 8 divisors (see below), whose sum is σ = 18957254400. Its totient is φ = 17687770320.

The previous prime is 18321101389. The next prime is 18321101419. The reversal of 18321101401 is 10410112381.

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 18321101401 - 2¹³ = 18321093209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18321101431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 692266 + ... + 718243.

It is an arithmetic number, because the mean of its divisors is an integer number (2369656800).

Almost surely, 2^18321101401 is an apocalyptic number.

It is an amenable number.

18321101401 is a deficient number, since it is larger than the sum of its proper divisors (636152999).

18321101401 is a wasteful number, since it uses less digits than its factorization.

18321101401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1410959.

The product of its (nonzero) digits is 192, while the sum is 22.

Adding to 18321101401 its reverse (10410112381), we get a palindrome (28731213782).

The spelling of 18321101401 in words is "eighteen billion, three hundred twenty-one million, one hundred one thousand, four hundred one".