1163252605 has 8 divisors (see below), whose sum is σ = 1396300032. Its totient is φ = 930337488.

The previous prime is 1163252603. The next prime is 1163252627. The reversal of 1163252605 is 5062523611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1163252605 - 2¹ = 1163252603 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1163252603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12577 + ... + 49846.

It is an arithmetic number, because the mean of its divisors is an integer number (174537504).

Almost surely, 2^1163252605 is an apocalyptic number.

It is an amenable number.

1163252605 is a deficient number, since it is larger than the sum of its proper divisors (233047427).

1163252605 is an equidigital number, since it uses as much as digits as its factorization.

1163252605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66155.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 1163252605 is about 34106.4891919412. The cubic root of 1163252605 is about 1051.6987181622.

The spelling of 1163252605 in words is "one billion, one hundred sixty-three million, two hundred fifty-two thousand, six hundred five".