125162106065 has 4 divisors (see below), whose sum is σ = 150194527284. Its totient is φ = 100129684848.

The previous prime is 125162106061. The next prime is 125162106067. The reversal of 125162106065 is 560601261521.

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

It can be written as a sum of positive squares in 2 ways, for example, as 80354107024 + 44807999041 = 283468^2 + 211679^2 .

It is a cyclic number.

It is not a de Polignac number, because 125162106065 - 2² = 125162106061 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125162106061) 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, 12516210602 + ... + 12516210611.

It is an arithmetic number, because the mean of its divisors is an integer number (37548631821).

Almost surely, 2^125162106065 is an apocalyptic number.

It is an amenable number.

125162106065 is a deficient number, since it is larger than the sum of its proper divisors (25032421219).

125162106065 is an equidigital number, since it uses as much as digits as its factorization.

125162106065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25032421218.

The product of its (nonzero) digits is 21600, while the sum is 35.

Adding to 125162106065 its reverse (560601261521), we get a palindrome (685763367586).

The spelling of 125162106065 in words is "one hundred twenty-five billion, one hundred sixty-two million, one hundred six thousand, sixty-five".