11545412573 has 2 divisors, whose sum is σ = 11545412574. Its totient is φ = 11545412572.

The previous prime is 11545412563. The next prime is 11545412587. The reversal of 11545412573 is 37521454511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7688133124 + 3857279449 = 87682^2 + 62107^2 .

It is a cyclic number.

It is not a de Polignac number, because 11545412573 - 2³⁰ = 10471670749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11545412513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5772706286 + 5772706287.

It is an arithmetic number, because the mean of its divisors is an integer number (5772706287).

Almost surely, 2^11545412573 is an apocalyptic number.

It is an amenable number.

11545412573 is a deficient number, since it is larger than the sum of its proper divisors (1).

11545412573 is an equidigital number, since it uses as much as digits as its factorization.

11545412573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84000, while the sum is 38.

The spelling of 11545412573 in words is "eleven billion, five hundred forty-five million, four hundred twelve thousand, five hundred seventy-three".