133042251225 has 48 divisors (see below), whose sum is σ = 236961902912. Its totient is φ = 65476028160.

The previous prime is 133042251217. The next prime is 133042251239. The reversal of 133042251225 is 522152240331.

It is not a de Polignac number, because 133042251225 - 2³ = 133042251217 is a prime.

It is a super-2 number, since 2×133042251225² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 133042251192 and 133042251201.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3150702 + ... + 3192648.

Almost surely, 2^133042251225 is an apocalyptic number.

133042251225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

133042251225 is a deficient number, since it is larger than the sum of its proper divisors (103919651687).

133042251225 is a wasteful number, since it uses less digits than its factorization.

133042251225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45226 (or 45221 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 133042251225 its reverse (522152240331), we get a palindrome (655194491556).

The spelling of 133042251225 in words is "one hundred thirty-three billion, forty-two million, two hundred fifty-one thousand, two hundred twenty-five".