125163965236 has 24 divisors (see below), whose sum is σ = 228603372480. Its totient is φ = 59849741952.

The previous prime is 125163965203. The next prime is 125163965237. The reversal of 125163965236 is 632569361521.

It is a self number, because there is not a number n which added to its sum of digits gives 125163965236.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125163965237) 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 7 ways as a sum of consecutive naturals, for example, 373020 + ... + 624076.

It is an arithmetic number, because the mean of its divisors is an integer number (9525140520).

Almost surely, 2^125163965236 is an apocalyptic number.

It is an amenable number.

125163965236 is a deficient number, since it is larger than the sum of its proper divisors (103439407244).

125163965236 is a wasteful number, since it uses less digits than its factorization.

125163965236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256503 (or 256501 counting only the distinct ones).

The product of its digits is 1749600, while the sum is 49.

The spelling of 125163965236 in words is "one hundred twenty-five billion, one hundred sixty-three million, nine hundred sixty-five thousand, two hundred thirty-six".