125688543627137 has 16 divisors (see below), whose sum is σ = 129906042095232. Its totient is φ = 121540549079040.

The previous prime is 125688543627061. The next prime is 125688543627173. The reversal of 125688543627137 is 731726345886521.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 125688543627137 - 2⁸ = 125688543626881 is a prime.

It is a super-2 number, since 2×125688543627137² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125688543627637) 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, 6095873 + ... + 16986369.

It is an arithmetic number, because the mean of its divisors is an integer number (8119127630952).

Almost surely, 2^{125688543627137} is an apocalyptic number.

It is an amenable number.

125688543627137 is a deficient number, since it is larger than the sum of its proper divisors (4217498468095).

125688543627137 is a wasteful number, since it uses less digits than its factorization.

125688543627137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10893688.

The product of its digits is 406425600, while the sum is 68.

The spelling of 125688543627137 in words is "one hundred twenty-five trillion, six hundred eighty-eight billion, five hundred forty-three million, six hundred twenty-seven thousand, one hundred thirty-seven".