125163252242 has 16 divisors (see below), whose sum is σ = 214830817920. Its totient is φ = 53575083168.

The previous prime is 125163252217. The next prime is 125163252271. The reversal of 125163252242 is 242252361521.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 5514158 + ... + 5536809.

It is an arithmetic number, because the mean of its divisors is an integer number (13426926120).

Almost surely, 2^125163252242 is an apocalyptic number.

125163252242 is a deficient number, since it is larger than the sum of its proper divisors (89667565678).

125163252242 is a wasteful number, since it uses less digits than its factorization.

125163252242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11051785.

The product of its digits is 57600, while the sum is 35.

The spelling of 125163252242 in words is "one hundred twenty-five billion, one hundred sixty-three million, two hundred fifty-two thousand, two hundred forty-two".