115643271 has 8 divisors (see below), whose sum is σ = 159508080. Its totient is φ = 74436992.

The previous prime is 115643267. The next prime is 115643327. The reversal of 115643271 is 172346511.

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 115643271 - 2² = 115643267 is a prime.

It is a super-2 number, since 2×115643271² = 26746732255158882, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115643261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 664530 + ... + 664703.

It is an arithmetic number, because the mean of its divisors is an integer number (19938510).

Almost surely, 2^115643271 is an apocalyptic number.

115643271 is a deficient number, since it is larger than the sum of its proper divisors (43864809).

115643271 is a wasteful number, since it uses less digits than its factorization.

115643271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1329265.

The product of its digits is 5040, while the sum is 30.

The square root of 115643271 is about 10753.7561344862. The cubic root of 115643271 is about 487.1994497218.

Adding to 115643271 its reverse (172346511), we get a palindrome (287989782).

The spelling of 115643271 in words is "one hundred fifteen million, six hundred forty-three thousand, two hundred seventy-one".