1141163271 has 24 divisors (see below), whose sum is σ = 1664810784. Its totient is φ = 753215040.

The previous prime is 1141163269. The next prime is 1141163329. The reversal of 1141163271 is 1723611411.

1141163271 is a `hidden beast` number, since 1 + 14 + 11 + 632 + 7 + 1 = 666.

It is not a de Polignac number, because 1141163271 - 2¹ = 1141163269 is a prime.

It is a super-2 number, since 2×1141163271² = 2604507222158838882, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141163371) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 414961 + ... + 417701.

It is an arithmetic number, because the mean of its divisors is an integer number (69367116).

Almost surely, 2^1141163271 is an apocalyptic number.

1141163271 is a deficient number, since it is larger than the sum of its proper divisors (523647513).

1141163271 is a wasteful number, since it uses less digits than its factorization.

1141163271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3191 (or 3188 counting only the distinct ones).

The product of its digits is 1008, while the sum is 27.

The square root of 1141163271 is about 33781.1081967422. The cubic root of 1141163271 is about 1044.9991288348. Note that the first 3 decimals are identical.

Adding to 1141163271 its reverse (1723611411), we get a palindrome (2864774682).

The spelling of 1141163271 in words is "one billion, one hundred forty-one million, one hundred sixty-three thousand, two hundred seventy-one".