125165004562 has 16 divisors (see below), whose sum is σ = 202530608280. Its totient is φ = 57671039232.

The previous prime is 125165004553. The next prime is 125165004617. The reversal of 125165004562 is 265400561521.

It can be written as a sum of positive squares in 4 ways, for example, as 92143209601 + 33021794961 = 303551^2 + 181719^2 .

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, 4043637 + ... + 4074472.

Almost surely, 2^125165004562 is an apocalyptic number.

125165004562 is a deficient number, since it is larger than the sum of its proper divisors (77365603718).

125165004562 is a wasteful number, since it uses less digits than its factorization.

125165004562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8118717.

The product of its (nonzero) digits is 72000, while the sum is 37.

The spelling of 125165004562 in words is "one hundred twenty-five billion, one hundred sixty-five million, four thousand, five hundred sixty-two".