1146555559 has 2 divisors, whose sum is σ = 1146555560. Its totient is φ = 1146555558.

The previous prime is 1146555547. The next prime is 1146555581. The reversal of 1146555559 is 9555556411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1146555559 - 2²³ = 1138166951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1146555959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 573277779 + 573277780.

It is an arithmetic number, because the mean of its divisors is an integer number (573277780).

Almost surely, 2^1146555559 is an apocalyptic number.

1146555559 is a deficient number, since it is larger than the sum of its proper divisors (1).

1146555559 is an equidigital number, since it uses as much as digits as its factorization.

1146555559 is an evil number, because the sum of its binary digits is even.

The product of its digits is 675000, while the sum is 46.

The square root of 1146555559 is about 33860.8263189190. The cubic root of 1146555559 is about 1046.6425057080.

The spelling of 1146555559 in words is "one billion, one hundred forty-six million, five hundred fifty-five thousand, five hundred fifty-nine".