1150455521 has 2 divisors, whose sum is σ = 1150455522. Its totient is φ = 1150455520.

The previous prime is 1150455499. The next prime is 1150455533. The reversal of 1150455521 is 1255540511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1130304400 + 20151121 = 33620^2 + 4489^2 .

It is an emirp because it is prime and its reverse (1255540511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1150455521 - 2¹⁰ = 1150454497 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1150455571) 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, 575227760 + 575227761.

It is an arithmetic number, because the mean of its divisors is an integer number (575227761).

Almost surely, 2^1150455521 is an apocalyptic number.

It is an amenable number.

1150455521 is a deficient number, since it is larger than the sum of its proper divisors (1).

1150455521 is an equidigital number, since it uses as much as digits as its factorization.

1150455521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5000, while the sum is 29.

The square root of 1150455521 is about 33918.3655413995. The cubic root of 1150455521 is about 1047.8278666771.

The spelling of 1150455521 in words is "one billion, one hundred fifty million, four hundred fifty-five thousand, five hundred twenty-one".