125633502025 has 24 divisors (see below), whose sum is σ = 168164326080. Its totient is φ = 92821861440.

The previous prime is 125633502019. The next prime is 125633502067. The reversal of 125633502025 is 520205336521.

It is a de Polignac number, because none of the positive numbers 2^k-125633502025 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3750447 + ... + 3783796.

It is an arithmetic number, because the mean of its divisors is an integer number (7006846920).

Almost surely, 2^125633502025 is an apocalyptic number.

It is an amenable number.

125633502025 is a deficient number, since it is larger than the sum of its proper divisors (42530824055).

125633502025 is a wasteful number, since it uses less digits than its factorization.

125633502025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7534305 (or 7534300 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 34.

Adding to 125633502025 its reverse (520205336521), we get a palindrome (645838838546).

The spelling of 125633502025 in words is "one hundred twenty-five billion, six hundred thirty-three million, five hundred two thousand, twenty-five".