1162505089 has 2 divisors, whose sum is σ = 1162505090. Its totient is φ = 1162505088.

The previous prime is 1162505039. The next prime is 1162505111. The reversal of 1162505089 is 9805052611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1155456064 + 7049025 = 33992^2 + 2655^2 .

It is a cyclic number.

It is not a de Polignac number, because 1162505089 - 2¹³ = 1162496897 is a prime.

It is not a weakly prime, because it can be changed into another prime (1162505039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 581252544 + 581252545.

It is an arithmetic number, because the mean of its divisors is an integer number (581252545).

Almost surely, 2^1162505089 is an apocalyptic number.

It is an amenable number.

1162505089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1162505089 is an equidigital number, since it uses as much as digits as its factorization.

1162505089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 37.

The square root of 1162505089 is about 34095.5288710998. The cubic root of 1162505089 is about 1051.4733930483.

The spelling of 1162505089 in words is "one billion, one hundred sixty-two million, five hundred five thousand, eighty-nine".