42511542520 has 32 divisors (see below), whose sum is σ = 96998173920. Its totient is φ = 16765114240.

The previous prime is 42511542499. The next prime is 42511542559. The reversal of 42511542520 is 2524511524.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7481587 + ... + 7487266.

It is an arithmetic number, because the mean of its divisors is an integer number (3031192935).

Almost surely, 2^42511542520 is an apocalyptic number.

42511542520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42511542520 is an abundant number, since it is smaller than the sum of its proper divisors (54486631400).

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

42511542520 is a wasteful number, since it uses less digits than its factorization.

42511542520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14968935 (or 14968931 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 31.

The spelling of 42511542520 in words is "forty-two billion, five hundred eleven million, five hundred forty-two thousand, five hundred twenty".