125264416065 has 64 divisors (see below), whose sum is σ = 214602178560. Its totient is φ = 62283271680.

The previous prime is 125264416063. The next prime is 125264416177. The reversal of 125264416065 is 560614462521.

It is not a de Polignac number, because 125264416065 - 2¹ = 125264416063 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (125264416063) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1416726 + ... + 1502544.

It is an arithmetic number, because the mean of its divisors is an integer number (3353159040).

Almost surely, 2^125264416065 is an apocalyptic number.

125264416065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125264416065 is a deficient number, since it is larger than the sum of its proper divisors (89337762495).

125264416065 is a wasteful number, since it uses less digits than its factorization.

125264416065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85974.

The product of its (nonzero) digits is 345600, while the sum is 42.

Adding to 125264416065 its reverse (560614462521), we get a palindrome (685878878586).

The spelling of 125264416065 in words is "one hundred twenty-five billion, two hundred sixty-four million, four hundred sixteen thousand, sixty-five".