133625450025 has 72 divisors (see below), whose sum is σ = 249936086400. Its totient is φ = 68115928320.

The previous prime is 133625449981. The next prime is 133625450051. The reversal of 133625450025 is 520054526331.

133625450025 is a `hidden beast` number, since 1 + 3 + 3 + 625 + 4 + 5 + 0 + 0 + 25 = 666.

It is not a de Polignac number, because 133625450025 - 2¹⁵ = 133625417257 is a prime.

It is a Curzon 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 71 ways as a sum of consecutive naturals, for example, 7230597 + ... + 7249053.

Almost surely, 2^133625450025 is an apocalyptic number.

133625450025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

133625450025 is a deficient number, since it is larger than the sum of its proper divisors (116310636375).

133625450025 is a wasteful number, since it uses less digits than its factorization.

133625450025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19895 (or 19887 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

Adding to 133625450025 its reverse (520054526331), we get a palindrome (653679976356).

The spelling of 133625450025 in words is "one hundred thirty-three billion, six hundred twenty-five million, four hundred fifty thousand, twenty-five".