1141110989 has 2 divisors, whose sum is σ = 1141110990. Its totient is φ = 1141110988.

The previous prime is 1141110959. The next prime is 1141111021. The reversal of 1141110989 is 9890111411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 786353764 + 354757225 = 28042^2 + 18835^2 .

It is a cyclic number.

It is not a de Polignac number, because 1141110989 - 2¹² = 1141106893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1141110959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570555494 + 570555495.

It is an arithmetic number, because the mean of its divisors is an integer number (570555495).

Almost surely, 2^1141110989 is an apocalyptic number.

It is an amenable number.

1141110989 is a deficient number, since it is larger than the sum of its proper divisors (1).

1141110989 is an equidigital number, since it uses as much as digits as its factorization.

1141110989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 35.

The square root of 1141110989 is about 33780.3343529930. The cubic root of 1141110989 is about 1044.9831698334.

The spelling of 1141110989 in words is "one billion, one hundred forty-one million, one hundred ten thousand, nine hundred eighty-nine".