133042251025 has 12 divisors (see below), whose sum is σ = 165258323212. Its totient is φ = 106249328640.

The previous prime is 133042251007. The next prime is 133042251037. The reversal of 133042251025 is 520152240331.

It can be written as a sum of positive squares in 6 ways, for example, as 6841109521 + 126201141504 = 82711^2 + 355248^2 .

It is not a de Polignac number, because 133042251025 - 2⁵ = 133042250993 is a prime.

It is a super-2 number, since 2×133042251025² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133042250984 and 133042251002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4597092 + ... + 4625941.

Almost surely, 2^133042251025 is an apocalyptic number.

It is an amenable number.

133042251025 is a deficient number, since it is larger than the sum of its proper divisors (32216072187).

133042251025 is an equidigital number, since it uses as much as digits as its factorization.

133042251025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9223620 (or 9223615 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 133042251025 its reverse (520152240331), we get a palindrome (653194491356).

The spelling of 133042251025 in words is "one hundred thirty-three billion, forty-two million, two hundred fifty-one thousand, twenty-five".