1151565133 has 2 divisors, whose sum is σ = 1151565134. Its totient is φ = 1151565132.

The previous prime is 1151565119. The next prime is 1151565139. The reversal of 1151565133 is 3315651511.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 992124004 + 159441129 = 31498^2 + 12627^2 .

It is a cyclic number.

It is not a de Polignac number, because 1151565133 - 2⁵ = 1151565101 is a prime.

It is a super-2 number, since 2×1151565133² = 2652204511082615378, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1151565095 and 1151565104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1151565139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575782566 + 575782567.

It is an arithmetic number, because the mean of its divisors is an integer number (575782567).

Almost surely, 2^1151565133 is an apocalyptic number.

It is an amenable number.

1151565133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1151565133 is an equidigital number, since it uses as much as digits as its factorization.

1151565133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6750, while the sum is 31.

The square root of 1151565133 is about 33934.7186963440. The cubic root of 1151565133 is about 1048.1646343754.

The spelling of 1151565133 in words is "one billion, one hundred fifty-one million, five hundred sixty-five thousand, one hundred thirty-three".