125387634266245 has 16 divisors (see below), whose sum is σ = 164259122155632. Its totient is φ = 91325535091200.

The previous prime is 125387634266203. The next prime is 125387634266249. The reversal of 125387634266245 is 542662436783521.

It is a Cunningham number, because it is equal to 11197662²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 32318838421156 + 93068795845089 = 5684966^2 + 9647217^2 .

It is not a de Polignac number, because 125387634266245 - 2¹⁷ = 125387634135173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125387634266249) 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, 13212601606 + ... + 13212611095.

It is an arithmetic number, because the mean of its divisors is an integer number (10266195134727).

Almost surely, 2^{125387634266245} is an apocalyptic number.

It is an amenable number.

125387634266245 is a deficient number, since it is larger than the sum of its proper divisors (38871487889387).

125387634266245 is a wasteful number, since it uses less digits than its factorization.

125387634266245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26425212792.

The product of its digits is 348364800, while the sum is 64.

The spelling of 125387634266245 in words is "one hundred twenty-five trillion, three hundred eighty-seven billion, six hundred thirty-four million, two hundred sixty-six thousand, two hundred forty-five".