42505506314523 has 64 divisors (see below), whose sum is σ = 73013834880000. Its totient is φ = 23938103238912.

The previous prime is 42505506314503. The next prime is 42505506314533. The reversal of 42505506314523 is 32541360550524.

42505506314523 is a `hidden beast` number, since 4 + 2 + 5 + 0 + 5 + 5 + 0 + 631 + 4 + 5 + 2 + 3 = 666.

42505506314523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42505506314523 - 2²⁴ = 42505489537307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42505506314503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2305848 + ... + 9504101.

It is an arithmetic number, because the mean of its divisors is an integer number (1140841170000).

Almost surely, 2^{42505506314523} is an apocalyptic number.

42505506314523 is a deficient number, since it is larger than the sum of its proper divisors (30508328565477).

42505506314523 is a wasteful number, since it uses less digits than its factorization.

42505506314523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11810241 (or 11810235 counting only the distinct ones).

The product of its (nonzero) digits is 2160000, while the sum is 45.

The spelling of 42505506314523 in words is "forty-two trillion, five hundred five billion, five hundred six million, three hundred fourteen thousand, five hundred twenty-three".