1141643215 has 32 divisors (see below), whose sum is σ = 1477440000. Its totient is φ = 844253568.

The previous prime is 1141643213. The next prime is 1141643221. The reversal of 1141643215 is 5123461411.

It is a cyclic number.

It is not a de Polignac number, because 1141643215 - 2¹ = 1141643213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141643213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 834462 + ... + 835828.

It is an arithmetic number, because the mean of its divisors is an integer number (46170000).

Almost surely, 2^1141643215 is an apocalyptic number.

1141643215 is a deficient number, since it is larger than the sum of its proper divisors (335796785).

1141643215 is a wasteful number, since it uses less digits than its factorization.

1141643215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1599.

The product of its digits is 2880, while the sum is 28.

The square root of 1141643215 is about 33788.2111837842. The cubic root of 1141643215 is about 1045.1456082444.

The spelling of 1141643215 in words is "one billion, one hundred forty-one million, six hundred forty-three thousand, two hundred fifteen".