42524554521 has 16 divisors (see below), whose sum is σ = 58675276800. Its totient is φ = 27362458368.

The previous prime is 42524554519. The next prime is 42524554549. The reversal of 42524554521 is 12545542524.

42524554521 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 42524554521 - 2¹ = 42524554519 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42524554521.

It is not an unprimeable number, because it can be changed into a prime (42524554021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165585 + ... + 335361.

It is an arithmetic number, because the mean of its divisors is an integer number (3667204800).

Almost surely, 2^42524554521 is an apocalyptic number.

It is an amenable number.

42524554521 is a deficient number, since it is larger than the sum of its proper divisors (16150722279).

42524554521 is a wasteful number, since it uses less digits than its factorization.

42524554521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172688.

The product of its digits is 320000, while the sum is 39.

The spelling of 42524554521 in words is "forty-two billion, five hundred twenty-four million, five hundred fifty-four thousand, five hundred twenty-one".