1141771679 has 2 divisors, whose sum is σ = 1141771680. Its totient is φ = 1141771678.

The previous prime is 1141771669. The next prime is 1141771699. The reversal of 1141771679 is 9761771411.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1141771679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1141771619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570885839 + 570885840.

It is an arithmetic number, because the mean of its divisors is an integer number (570885840).

Almost surely, 2^1141771679 is an apocalyptic number.

1141771679 is a deficient number, since it is larger than the sum of its proper divisors (1).

1141771679 is an equidigital number, since it uses as much as digits as its factorization.

1141771679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 74088, while the sum is 44.

The square root of 1141771679 is about 33790.1121483786. The cubic root of 1141771679 is about 1045.1848086262.

The spelling of 1141771679 in words is "one billion, one hundred forty-one million, seven hundred seventy-one thousand, six hundred seventy-nine".