1150663321 has 2 divisors, whose sum is σ = 1150663322. Its totient is φ = 1150663320.

The previous prime is 1150663291. The next prime is 1150663331. The reversal of 1150663321 is 1233660511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 957036096 + 193627225 = 30936^2 + 13915^2 .

It is a cyclic number.

It is not a de Polignac number, because 1150663321 - 2⁷ = 1150663193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1150663321.

It is not a weakly prime, because it can be changed into another prime (1150663331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575331660 + 575331661.

It is an arithmetic number, because the mean of its divisors is an integer number (575331661).

Almost surely, 2^1150663321 is an apocalyptic number.

It is an amenable number.

1150663321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1150663321 is an equidigital number, since it uses as much as digits as its factorization.

1150663321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 1150663321 is about 33921.4286403153. The cubic root of 1150663321 is about 1047.8909505363.

The spelling of 1150663321 in words is "one billion, one hundred fifty million, six hundred sixty-three thousand, three hundred twenty-one".