42521130552 has 32 divisors (see below), whose sum is σ = 108104572800. Its totient is φ = 13933477344.

The previous prime is 42521130551. The next prime is 42521130557. The reversal of 42521130552 is 25503112524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42521130551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15013108 + ... + 15015939.

It is an arithmetic number, because the mean of its divisors is an integer number (3378267900).

Almost surely, 2^42521130552 is an apocalyptic number.

It is an amenable number.

42521130552 is an abundant number, since it is smaller than the sum of its proper divisors (65583442248).

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

42521130552 is a wasteful number, since it uses less digits than its factorization.

42521130552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30029115 (or 30029111 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 42521130552 in words is "forty-two billion, five hundred twenty-one million, one hundred thirty thousand, five hundred fifty-two".