1141558289 has 4 divisors (see below), whose sum is σ = 1142346480. Its totient is φ = 1140770100.

The previous prime is 1141558267. The next prime is 1141558303. The reversal of 1141558289 is 9828551411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1141558289 - 2¹⁶ = 1141492753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1141557289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 391919 + ... + 394820.

It is an arithmetic number, because the mean of its divisors is an integer number (285586620).

Almost surely, 2^1141558289 is an apocalyptic number.

It is an amenable number.

1141558289 is a deficient number, since it is larger than the sum of its proper divisors (788191).

1141558289 is an equidigital number, since it uses as much as digits as its factorization.

1141558289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788190.

The product of its digits is 115200, while the sum is 44.

The square root of 1141558289 is about 33786.9544203084. The cubic root of 1141558289 is about 1045.1196917305.

The spelling of 1141558289 in words is "one billion, one hundred forty-one million, five hundred fifty-eight thousand, two hundred eighty-nine".