1152611109 has 12 divisors (see below), whose sum is σ = 1792950796. Its totient is φ = 709299072.

The previous prime is 1152611071. The next prime is 1152611111. The reversal of 1152611109 is 9011162511.

It can be written as a sum of positive squares in 2 ways, for example, as 650403009 + 502208100 = 25503^2 + 22410^2 .

It is not a de Polignac number, because 1152611109 - 2¹⁵ = 1152578341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1152611149) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4925572 + ... + 4925805.

Almost surely, 2^1152611109 is an apocalyptic number.

It is an amenable number.

1152611109 is a deficient number, since it is larger than the sum of its proper divisors (640339687).

1152611109 is a wasteful number, since it uses less digits than its factorization.

1152611109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9851396 (or 9851393 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 27.

The square root of 1152611109 is about 33950.1267891594. The cubic root of 1152611109 is about 1048.4818905006.

The spelling of 1152611109 in words is "one billion, one hundred fifty-two million, six hundred eleven thousand, one hundred nine".