42565415375 has 16 divisors (see below), whose sum is σ = 60710445120. Its totient is φ = 29187712800.

The previous prime is 42565415339. The next prime is 42565415393. The reversal of 42565415375 is 57351456524.

It is not a de Polignac number, because 42565415375 - 2⁶ = 42565415311 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 24322220 + ... + 24323969.

It is an arithmetic number, because the mean of its divisors is an integer number (3794402820).

Almost surely, 2^42565415375 is an apocalyptic number.

42565415375 is a deficient number, since it is larger than the sum of its proper divisors (18145029745).

42565415375 is an equidigital number, since it uses as much as digits as its factorization.

42565415375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48646211 (or 48646201 counting only the distinct ones).

The product of its digits is 2520000, while the sum is 47.

The spelling of 42565415375 in words is "forty-two billion, five hundred sixty-five million, four hundred fifteen thousand, three hundred seventy-five".