1155160271 has 16 divisors (see below), whose sum is σ = 1227256800. Its totient is φ = 1084243968.

The previous prime is 1155160267. The next prime is 1155160291. The reversal of 1155160271 is 1720615511.

It is not a de Polignac number, because 1155160271 - 2² = 1155160267 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 (1155160261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1501775 + ... + 1502543.

It is an arithmetic number, because the mean of its divisors is an integer number (76703550).

Almost surely, 2^1155160271 is an apocalyptic number.

1155160271 is a deficient number, since it is larger than the sum of its proper divisors (72096529).

1155160271 is a wasteful number, since it uses less digits than its factorization.

1155160271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1418.

The product of its (nonzero) digits is 2100, while the sum is 29.

The square root of 1155160271 is about 33987.6488007041. The cubic root of 1155160271 is about 1049.2542765499.

Adding to 1155160271 its reverse (1720615511), we get a palindrome (2875775782).

The spelling of 1155160271 in words is "one billion, one hundred fifty-five million, one hundred sixty thousand, two hundred seventy-one".