125445241125 has 24 divisors (see below), whose sum is σ = 226135956696. Its totient is φ = 66904128000.

The previous prime is 125445241123. The next prime is 125445241133. The reversal of 125445241125 is 521142544521.

125445241125 is a `hidden beast` number, since 1 + 2 + 5 + 4 + 4 + 524 + 1 + 125 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3527647236 + 121917593889 = 59394^2 + 349167^2 .

It is not a de Polignac number, because 125445241125 - 2¹ = 125445241123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125445241125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125445241121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55752316 + ... + 55754565.

It is an arithmetic number, because the mean of its divisors is an integer number (9422331529).

Almost surely, 2^125445241125 is an apocalyptic number.

125445241125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125445241125 is a deficient number, since it is larger than the sum of its proper divisors (100690715571).

125445241125 is a wasteful number, since it uses less digits than its factorization.

125445241125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111506902 (or 111506889 counting only the distinct ones).

The product of its digits is 64000, while the sum is 36.

Adding to 125445241125 its reverse (521142544521), we get a palindrome (646587785646).

The spelling of 125445241125 in words is "one hundred twenty-five billion, four hundred forty-five million, two hundred forty-one thousand, one hundred twenty-five".