125767616660201 has 4 divisors (see below), whose sum is σ = 125784995086212. Its totient is φ = 125750238234192.

The previous prime is 125767616660183. The next prime is 125767616660219. The reversal of 125767616660201 is 102066616767521.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (125767616660183) and next prime (125767616660219).

It can be written as a sum of positive squares in 2 ways, for example, as 72904189176025 + 52863427484176 = 8538395^2 + 7270724^2 .

It is a cyclic number.

It is not a de Polignac number, because 125767616660201 - 2¹⁴ = 125767616643817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125767616660261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8689202150 + ... + 8689216623.

It is an arithmetic number, because the mean of its divisors is an integer number (31446248771553).

Almost surely, 2^{125767616660201} is an apocalyptic number.

It is an amenable number.

125767616660201 is a deficient number, since it is larger than the sum of its proper divisors (17378426011).

125767616660201 is an equidigital number, since it uses as much as digits as its factorization.

125767616660201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17378426010.

The product of its (nonzero) digits is 7620480, while the sum is 56.

The spelling of 125767616660201 in words is "one hundred twenty-five trillion, seven hundred sixty-seven billion, six hundred sixteen million, six hundred sixty thousand, two hundred one".