42360452561 has 16 divisors (see below), whose sum is σ = 50523052800. Its totient is φ = 34726019328.

The previous prime is 42360452539. The next prime is 42360452591. The reversal of 42360452561 is 16525406324.

It is not a de Polignac number, because 42360452561 - 2¹⁸ = 42360190417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42360452501) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2452925 + ... + 2470133.

It is an arithmetic number, because the mean of its divisors is an integer number (3157690800).

Almost surely, 2^42360452561 is an apocalyptic number.

It is an amenable number.

42360452561 is a deficient number, since it is larger than the sum of its proper divisors (8162600239).

42360452561 is a wasteful number, since it uses less digits than its factorization.

42360452561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32528.

The product of its (nonzero) digits is 172800, while the sum is 38.

Adding to 42360452561 its reverse (16525406324), we get a palindrome (58885858885).

The spelling of 42360452561 in words is "forty-two billion, three hundred sixty million, four hundred fifty-two thousand, five hundred sixty-one".