125767616660257 has 8 divisors (see below), whose sum is σ = 147754962230400. Its totient is φ = 105539258735760.

The previous prime is 125767616660239. The next prime is 125767616660261. The reversal of 125767616660257 is 752066616767521.

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

It is a cyclic number.

It is not a de Polignac number, because 125767616660257 - 2¹⁵ = 125767616627489 is a prime.

It is a super-2 number, since 2×125767616660257² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125767616660192 and 125767616660201.

It is not an unprimeable number, because it can be changed into a prime (125767616660857) 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, 439746911257 + ... + 439746911542.

It is an arithmetic number, because the mean of its divisors is an integer number (18469370278800).

Almost surely, 2^{125767616660257} is an apocalyptic number.

It is an amenable number.

125767616660257 is a deficient number, since it is larger than the sum of its proper divisors (21987345570143).

125767616660257 is a wasteful number, since it uses less digits than its factorization.

125767616660257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879493822823.

The product of its (nonzero) digits is 266716800, while the sum is 67.

The spelling of 125767616660257 in words is "one hundred twenty-five trillion, seven hundred sixty-seven billion, six hundred sixteen million, six hundred sixty thousand, two hundred fifty-seven".