42361561506 has 32 divisors (see below), whose sum is σ = 96443716608. Its totient is φ = 12278713040.

The previous prime is 42361561477. The next prime is 42361561519. The reversal of 42361561506 is 60516516324.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13951566 + ... + 13954601.

It is an arithmetic number, because the mean of its divisors is an integer number (3013866144).

Almost surely, 2^42361561506 is an apocalyptic number.

42361561506 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

42361561506 is an abundant number, since it is smaller than the sum of its proper divisors (54082155102).

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

42361561506 is a wasteful number, since it uses less digits than its factorization.

42361561506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27906206.

The product of its (nonzero) digits is 129600, while the sum is 39.

The spelling of 42361561506 in words is "forty-two billion, three hundred sixty-one million, five hundred sixty-one thousand, five hundred six".