42322521153265 has 4 divisors (see below), whose sum is σ = 50787025383924. Its totient is φ = 33858016922608.

The previous prime is 42322521153173. The next prime is 42322521153277. The reversal of 42322521153265 is 56235112522324.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 32465483226801 + 9857037926464 = 5697849^2 + 3139592^2 .

It is a cyclic number.

It is not a de Polignac number, because 42322521153265 - 2²¹ = 42322519056113 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4232252115322 + ... + 4232252115331.

It is an arithmetic number, because the mean of its divisors is an integer number (12696756345981).

Almost surely, 2^{42322521153265} is an apocalyptic number.

It is an amenable number.

42322521153265 is a deficient number, since it is larger than the sum of its proper divisors (8464504230659).

42322521153265 is an equidigital number, since it uses as much as digits as its factorization.

42322521153265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8464504230658.

The product of its digits is 864000, while the sum is 43.

Adding to 42322521153265 its reverse (56235112522324), we get a palindrome (98557633675589).

The spelling of 42322521153265 in words is "forty-two trillion, three hundred twenty-two billion, five hundred twenty-one million, one hundred fifty-three thousand, two hundred sixty-five".