18132171301 has 2 divisors, whose sum is σ = 18132171302. Its totient is φ = 18132171300.

The previous prime is 18132171269. The next prime is 18132171307. The reversal of 18132171301 is 10317123181.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12537280900 + 5594890401 = 111970^2 + 74799^2 .

It is an emirp because it is prime and its reverse (10317123181) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18132171301 - 2⁵ = 18132171269 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18132171301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18132171307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9066085650 + 9066085651.

It is an arithmetic number, because the mean of its divisors is an integer number (9066085651).

Almost surely, 2^18132171301 is an apocalyptic number.

It is an amenable number.

18132171301 is a deficient number, since it is larger than the sum of its proper divisors (1).

18132171301 is an equidigital number, since it uses as much as digits as its factorization.

18132171301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 28.

Adding to 18132171301 its reverse (10317123181), we get a palindrome (28449294482).

The spelling of 18132171301 in words is "eighteen billion, one hundred thirty-two million, one hundred seventy-one thousand, three hundred one".