133565422232425 has 24 divisors (see below), whose sum is σ = 172823666791680. Its totient is φ = 102205623062400.

The previous prime is 133565422232327. The next prime is 133565422232497. The reversal of 133565422232425 is 524232224565331.

It is not a de Polignac number, because 133565422232425 - 2²⁵ = 133565388677993 is a prime.

It is a super-2 number, since 2×133565422232425² (a number of 29 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63433696 + ... + 65505454.

It is an arithmetic number, because the mean of its divisors is an integer number (7200986116320).

Almost surely, 2^{133565422232425} is an apocalyptic number.

It is an amenable number.

133565422232425 is a deficient number, since it is larger than the sum of its proper divisors (39258244559255).

133565422232425 is a wasteful number, since it uses less digits than its factorization.

133565422232425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2183913 (or 2183908 counting only the distinct ones).

The product of its digits is 10368000, while the sum is 49.

Adding to 133565422232425 its reverse (524232224565331), we get a palindrome (657797646797756).

The spelling of 133565422232425 in words is "one hundred thirty-three trillion, five hundred sixty-five billion, four hundred twenty-two million, two hundred thirty-two thousand, four hundred twenty-five".