125651016650129 has 16 divisors (see below), whose sum is σ = 133066476876096. Its totient is φ = 118238250278400.

The previous prime is 125651016650101. The next prime is 125651016650153. The reversal of 125651016650129 is 921056610156521.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125651016650129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125651016650629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2704650269 + ... + 2704696725.

It is an arithmetic number, because the mean of its divisors is an integer number (8316654804756).

Almost surely, 2^{125651016650129} is an apocalyptic number.

It is an amenable number.

125651016650129 is a deficient number, since it is larger than the sum of its proper divisors (7415460225967).

125651016650129 is a wasteful number, since it uses less digits than its factorization.

125651016650129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72016.

The product of its (nonzero) digits is 972000, while the sum is 50.

The spelling of 125651016650129 in words is "one hundred twenty-five trillion, six hundred fifty-one billion, sixteen million, six hundred fifty thousand, one hundred twenty-nine".