11545412563 has 2 divisors, whose sum is σ = 11545412564. Its totient is φ = 11545412562.

The previous prime is 11545412539. The next prime is 11545412573. The reversal of 11545412563 is 36521454511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11545412563 - 2⁵ = 11545412531 is a prime.

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, 5772706281 + 5772706282.

It is an arithmetic number, because the mean of its divisors is an integer number (5772706282).

Almost surely, 2^11545412563 is an apocalyptic number.

11545412563 is a deficient number, since it is larger than the sum of its proper divisors (1).

11545412563 is an equidigital number, since it uses as much as digits as its factorization.

11545412563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72000, while the sum is 37.

The spelling of 11545412563 in words is "eleven billion, five hundred forty-five million, four hundred twelve thousand, five hundred sixty-three".