42053232565 has 8 divisors (see below), whose sum is σ = 50531079168. Its totient is φ = 33597786000.

The previous prime is 42053232541. The next prime is 42053232577. The reversal of 42053232565 is 56523235024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-42053232565 is a prime.

It is a Duffinian number.

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, 5595877 + ... + 5603386.

It is an arithmetic number, because the mean of its divisors is an integer number (6316384896).

Almost surely, 2^42053232565 is an apocalyptic number.

It is an amenable number.

42053232565 is a deficient number, since it is larger than the sum of its proper divisors (8477846603).

42053232565 is a wasteful number, since it uses less digits than its factorization.

42053232565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11200019.

The product of its (nonzero) digits is 216000, while the sum is 37.

Adding to 42053232565 its reverse (56523235024), we get a palindrome (98576467589).

The spelling of 42053232565 in words is "forty-two billion, fifty-three million, two hundred thirty-two thousand, five hundred sixty-five".