1163012605 has 4 divisors (see below), whose sum is σ = 1395615132. Its totient is φ = 930410080.

The previous prime is 1163012593. The next prime is 1163012633. The reversal of 1163012605 is 5062103611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5062103611 = 103 ⋅49146637.

It can be written as a sum of positive squares in 2 ways, for example, as 203376121 + 959636484 = 14261^2 + 30978^2 .

It is not a de Polignac number, because 1163012605 - 2⁹ = 1163012093 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1163012605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116301256 + ... + 116301265.

It is an arithmetic number, because the mean of its divisors is an integer number (348903783).

Almost surely, 2^1163012605 is an apocalyptic number.

It is an amenable number.

1163012605 is a deficient number, since it is larger than the sum of its proper divisors (232602527).

1163012605 is an equidigital number, since it uses as much as digits as its factorization.

1163012605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232602526.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 1163012605 is about 34102.9706184080. The cubic root of 1163012605 is about 1051.6263850473.

The spelling of 1163012605 in words is "one billion, one hundred sixty-three million, twelve thousand, six hundred five".