1161043573 has 2 divisors, whose sum is σ = 1161043574. Its totient is φ = 1161043572.

The previous prime is 1161043567. The next prime is 1161043579. The reversal of 1161043573 is 3753401611.

It is a balanced prime because it is at equal distance from previous prime (1161043567) and next prime (1161043579).

It can be written as a sum of positive squares in only one way, i.e., 1159947364 + 1096209 = 34058^2 + 1047^2 .

It is an emirp because it is prime and its reverse (3753401611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1161043573 - 2⁹ = 1161043061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1161043579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 580521786 + 580521787.

It is an arithmetic number, because the mean of its divisors is an integer number (580521787).

Almost surely, 2^1161043573 is an apocalyptic number.

It is an amenable number.

1161043573 is a deficient number, since it is larger than the sum of its proper divisors (1).

1161043573 is an equidigital number, since it uses as much as digits as its factorization.

1161043573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 1161043573 is about 34074.0894669249. The cubic root of 1161043573 is about 1051.0325664066.

The spelling of 1161043573 in words is "one billion, one hundred sixty-one million, forty-three thousand, five hundred seventy-three".