1159553273 has 2 divisors, whose sum is σ = 1159553274. Its totient is φ = 1159553272.

The previous prime is 1159553201. The next prime is 1159553347. The reversal of 1159553273 is 3723559511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1100447929 + 59105344 = 33173^2 + 7688^2 .

It is a cyclic number.

It is not a de Polignac number, because 1159553273 - 2²⁸ = 891117817 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1159553273.

It is not a weakly prime, because it can be changed into another prime (1159513273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 579776636 + 579776637.

It is an arithmetic number, because the mean of its divisors is an integer number (579776637).

Almost surely, 2^1159553273 is an apocalyptic number.

It is an amenable number.

1159553273 is a deficient number, since it is larger than the sum of its proper divisors (1).

1159553273 is an equidigital number, since it uses as much as digits as its factorization.

1159553273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141750, while the sum is 41.

The square root of 1159553273 is about 34052.2139221520. The cubic root of 1159553273 is about 1050.5826767464.

The spelling of 1159553273 in words is "one billion, one hundred fifty-nine million, five hundred fifty-three thousand, two hundred seventy-three".