1136481811 has 2 divisors, whose sum is σ = 1136481812. Its totient is φ = 1136481810.

The previous prime is 1136481799. The next prime is 1136481821. The reversal of 1136481811 is 1181846311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1136481811 - 2⁷ = 1136481683 is a prime.

It is not a weakly prime, because it can be changed into another prime (1136481821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 568240905 + 568240906.

It is an arithmetic number, because the mean of its divisors is an integer number (568240906).

Almost surely, 2^1136481811 is an apocalyptic number.

1136481811 is a deficient number, since it is larger than the sum of its proper divisors (1).

1136481811 is an equidigital number, since it uses as much as digits as its factorization.

1136481811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608, while the sum is 34.

The square root of 1136481811 is about 33711.7458907129. The cubic root of 1136481811 is about 1043.5681835358.

The spelling of 1136481811 in words is "one billion, one hundred thirty-six million, four hundred eighty-one thousand, eight hundred eleven".