11545245540559 has 2 divisors, whose sum is σ = 11545245540560. Its totient is φ = 11545245540558.

The previous prime is 11545245540511. The next prime is 11545245540599. The reversal of 11545245540559 is 95504554254511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11545245540559 - 2⁷ = 11545245540431 is a prime.

It is a super-2 number, since 2×11545245540559² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11545245540599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5772622770279 + 5772622770280.

It is an arithmetic number, because the mean of its divisors is an integer number (5772622770280).

Almost surely, 2^{11545245540559} is an apocalyptic number.

11545245540559 is a deficient number, since it is larger than the sum of its proper divisors (1).

11545245540559 is an equidigital number, since it uses as much as digits as its factorization.

11545245540559 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18000000, while the sum is 55.

The spelling of 11545245540559 in words is "eleven trillion, five hundred forty-five billion, two hundred forty-five million, five hundred forty thousand, five hundred fifty-nine".