18248975271 has 10 divisors (see below), whose sum is σ = 27260815032. Its totient is φ = 12165983460.

The previous prime is 18248975257. The next prime is 18248975279. The reversal of 18248975271 is 17257984281.

18248975271 is a `hidden beast` number, since 1 + 8 + 24 + 8 + 97 + 527 + 1 = 666.

It is not a de Polignac number, because 18248975271 - 2⁹ = 18248974759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18248975279) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 112647915 + ... + 112648076.

Almost surely, 2^18248975271 is an apocalyptic number.

18248975271 is a deficient number, since it is larger than the sum of its proper divisors (9011839761).

18248975271 is an equidigital number, since it uses as much as digits as its factorization.

18248975271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225296003 (or 225295994 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 54.

The spelling of 18248975271 in words is "eighteen billion, two hundred forty-eight million, nine hundred seventy-five thousand, two hundred seventy-one".