1141171643 has 2 divisors, whose sum is σ = 1141171644. Its totient is φ = 1141171642.

The previous prime is 1141171627. The next prime is 1141171651. The reversal of 1141171643 is 3461711411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1141171643 - 2⁴ = 1141171627 is a prime.

It is not a weakly prime, because it can be changed into another prime (1141171043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570585821 + 570585822.

It is an arithmetic number, because the mean of its divisors is an integer number (570585822).

Almost surely, 2^1141171643 is an apocalyptic number.

1141171643 is a deficient number, since it is larger than the sum of its proper divisors (1).

1141171643 is an equidigital number, since it uses as much as digits as its factorization.

1141171643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 29.

The square root of 1141171643 is about 33781.2321119287. The cubic root of 1141171643 is about 1045.0016843299.

The spelling of 1141171643 in words is "one billion, one hundred forty-one million, one hundred seventy-one thousand, six hundred forty-three".