125011042610642 has 16 divisors (see below), whose sum is σ = 188341326758520. Its totient is φ = 62230657254912.

The previous prime is 125011042610633. The next prime is 125011042610681. The reversal of 125011042610642 is 246016240110521.

It can be written as a sum of positive squares in 4 ways, for example, as 67165876039441 + 57845166571201 = 8195479^2 + 7605601^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9823667 + ... + 18615222.

Almost surely, 2^{125011042610642} is an apocalyptic number.

125011042610642 is a deficient number, since it is larger than the sum of its proper divisors (63330284147878).

125011042610642 is a wasteful number, since it uses less digits than its factorization.

125011042610642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28448557.

The product of its (nonzero) digits is 23040, while the sum is 35.

The spelling of 125011042610642 in words is "one hundred twenty-five trillion, eleven billion, forty-two million, six hundred ten thousand, six hundred forty-two".