42521511012 has 48 divisors (see below), whose sum is σ = 100216072320. Its totient is φ = 14031191808.

The previous prime is 42521510951. The next prime is 42521511037. The reversal of 42521511012 is 21011512524.

It is a happy number.

42521511012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5252664 + ... + 5260752.

It is an arithmetic number, because the mean of its divisors is an integer number (2087834840).

Almost surely, 2^42521511012 is an apocalyptic number.

It is an amenable number.

42521511012 is an abundant number, since it is smaller than the sum of its proper divisors (57694561308).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42521511012 is a wasteful number, since it uses less digits than its factorization.

42521511012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12452 (or 12450 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 24.

The spelling of 42521511012 in words is "forty-two billion, five hundred twenty-one million, five hundred eleven thousand, twelve".