1151361613 has 2 divisors, whose sum is σ = 1151361614. Its totient is φ = 1151361612.

The previous prime is 1151361599. The next prime is 1151361637. The reversal of 1151361613 is 3161631511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 913369284 + 237992329 = 30222^2 + 15427^2 .

It is an emirp because it is prime and its reverse (3161631511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1151361613 - 2⁵ = 1151361581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1151361643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575680806 + 575680807.

It is an arithmetic number, because the mean of its divisors is an integer number (575680807).

Almost surely, 2^1151361613 is an apocalyptic number.

It is an amenable number.

1151361613 is a deficient number, since it is larger than the sum of its proper divisors (1).

1151361613 is an equidigital number, since it uses as much as digits as its factorization.

1151361613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1620, while the sum is 28.

The square root of 1151361613 is about 33931.7198650466. The cubic root of 1151361613 is about 1048.1028821773.

The spelling of 1151361613 in words is "one billion, one hundred fifty-one million, three hundred sixty-one thousand, six hundred thirteen".