1150156081 has 2 divisors, whose sum is σ = 1150156082. Its totient is φ = 1150156080.

The previous prime is 1150156043. The next prime is 1150156093. The reversal of 1150156081 is 1806510511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1148125456 + 2030625 = 33884^2 + 1425^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1150156081 is a prime.

It is a super-2 number, since 2×1150156081² = 2645718021322557122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1150456081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575078040 + 575078041.

It is an arithmetic number, because the mean of its divisors is an integer number (575078041).

Almost surely, 2^1150156081 is an apocalyptic number.

It is an amenable number.

1150156081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1150156081 is an equidigital number, since it uses as much as digits as its factorization.

1150156081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 28.

The square root of 1150156081 is about 33913.9511263433. The cubic root of 1150156081 is about 1047.7369494139.

Adding to 1150156081 its reverse (1806510511), we get a palindrome (2956666592).

The spelling of 1150156081 in words is "one billion, one hundred fifty million, one hundred fifty-six thousand, eighty-one".