125205150445 has 32 divisors (see below), whose sum is σ = 155873203200. Its totient is φ = 96469491456.

The previous prime is 125205150443. The next prime is 125205150457. The reversal of 125205150445 is 544051502521.

It is a cyclic number.

It is not a de Polignac number, because 125205150445 - 2¹ = 125205150443 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125205150445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125205150443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26756616 + ... + 26761294.

It is an arithmetic number, because the mean of its divisors is an integer number (4871037600).

Almost surely, 2^125205150445 is an apocalyptic number.

It is an amenable number.

125205150445 is a deficient number, since it is larger than the sum of its proper divisors (30668052755).

125205150445 is a wasteful number, since it uses less digits than its factorization.

125205150445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6157.

The product of its (nonzero) digits is 40000, while the sum is 34.

Adding to 125205150445 its reverse (544051502521), we get a palindrome (669256652966).

The spelling of 125205150445 in words is "one hundred twenty-five billion, two hundred five million, one hundred fifty thousand, four hundred forty-five".