45513505523 has 2 divisors, whose sum is σ = 45513505524. Its totient is φ = 45513505522.

The previous prime is 45513505481. The next prime is 45513505529. The reversal of 45513505523 is 32550531554.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45513505523 is a prime.

It is not a weakly prime, because it can be changed into another prime (45513505529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22756752761 + 22756752762.

It is an arithmetic number, because the mean of its divisors is an integer number (22756752762).

Almost surely, 2^45513505523 is an apocalyptic number.

45513505523 is a deficient number, since it is larger than the sum of its proper divisors (1).

45513505523 is an equidigital number, since it uses as much as digits as its factorization.

45513505523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 225000, while the sum is 38.

The spelling of 45513505523 in words is "forty-five billion, five hundred thirteen million, five hundred five thousand, five hundred twenty-three".