125003155025 has 12 divisors (see below), whose sum is σ = 177147328512. Its totient is φ = 85716449040.

The previous prime is 125003155021. The next prime is 125003155033. The reversal of 125003155025 is 520551300521.

It is not a de Polignac number, because 125003155025 - 2² = 125003155021 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125003155021) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 357151697 + ... + 357152046.

It is an arithmetic number, because the mean of its divisors is an integer number (14762277376).

Almost surely, 2^125003155025 is an apocalyptic number.

It is an amenable number.

125003155025 is a deficient number, since it is larger than the sum of its proper divisors (52144173487).

125003155025 is an equidigital number, since it uses as much as digits as its factorization.

125003155025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714303760 (or 714303755 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 29.

Adding to 125003155025 its reverse (520551300521), we get a palindrome (645554455546).

The spelling of 125003155025 in words is "one hundred twenty-five billion, three million, one hundred fifty-five thousand, twenty-five".