125647677122577 has 8 divisors (see below), whose sum is σ = 167707142435616. Its totient is φ = 83676664945632.

The previous prime is 125647677122557. The next prime is 125647677122587. The reversal of 125647677122577 is 775221776746521.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 125647677122577 - 2²⁸ = 125647408687121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125647677122557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22113280708 + ... + 22113286389.

It is an arithmetic number, because the mean of its divisors is an integer number (20963392804452).

Almost surely, 2^{125647677122577} is an apocalyptic number.

It is an amenable number.

125647677122577 is a deficient number, since it is larger than the sum of its proper divisors (42059465313039).

125647677122577 is an equidigital number, since it uses as much as digits as its factorization.

125647677122577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44226568047.

The product of its digits is 484041600, while the sum is 69.

The spelling of 125647677122577 in words is "one hundred twenty-five trillion, six hundred forty-seven billion, six hundred seventy-seven million, one hundred twenty-two thousand, five hundred seventy-seven".