42520415143 has 2 divisors, whose sum is σ = 42520415144. Its totient is φ = 42520415142.

The previous prime is 42520415131. The next prime is 42520415149. The reversal of 42520415143 is 34151402524.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42520415143 - 2⁵ = 42520415111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42520415149) 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 as a sum of consecutive naturals, namely, 21260207571 + 21260207572.

It is an arithmetic number, because the mean of its divisors is an integer number (21260207572).

Almost surely, 2^42520415143 is an apocalyptic number.

42520415143 is a deficient number, since it is larger than the sum of its proper divisors (1).

42520415143 is an equidigital number, since it uses as much as digits as its factorization.

42520415143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 42520415143 its reverse (34151402524), we get a palindrome (76671817667).

The spelling of 42520415143 in words is "forty-two billion, five hundred twenty million, four hundred fifteen thousand, one hundred forty-three".