1163265611 has 2 divisors, whose sum is σ = 1163265612. Its totient is φ = 1163265610.

The previous prime is 1163265589. The next prime is 1163265617. The reversal of 1163265611 is 1165623611.

It is a strong prime.

It is an emirp because it is prime and its reverse (1165623611) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1163265611 is a prime.

It is not a weakly prime, because it can be changed into another prime (1163265617) 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, 581632805 + 581632806.

It is an arithmetic number, because the mean of its divisors is an integer number (581632806).

Almost surely, 2^1163265611 is an apocalyptic number.

1163265611 is a deficient number, since it is larger than the sum of its proper divisors (1).

1163265611 is an equidigital number, since it uses as much as digits as its factorization.

1163265611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 32.

The square root of 1163265611 is about 34106.6798589367. The cubic root of 1163265611 is about 1051.7026377300.

The spelling of 1163265611 in words is "one billion, one hundred sixty-three million, two hundred sixty-five thousand, six hundred eleven".