125204031211125 has 32 divisors (see below), whose sum is σ = 208351702915200. Its totient is φ = 66771574665600.

The previous prime is 125204031211099. The next prime is 125204031211141. The reversal of 125204031211125 is 521112130402521.

It is not a de Polignac number, because 125204031211125 - 2³¹ = 125201883727477 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125204031211092 and 125204031211101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3350944 + ... + 16175193.

It is an arithmetic number, because the mean of its divisors is an integer number (6510990716100).

Almost surely, 2^{125204031211125} is an apocalyptic number.

125204031211125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125204031211125 is a deficient number, since it is larger than the sum of its proper divisors (83147671704075).

125204031211125 is a wasteful number, since it uses less digits than its factorization.

125204031211125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19543254 (or 19543244 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 30.

Adding to 125204031211125 its reverse (521112130402521), we get a palindrome (646316161613646).

The spelling of 125204031211125 in words is "one hundred twenty-five trillion, two hundred four billion, thirty-one million, two hundred eleven thousand, one hundred twenty-five".