125225542120444 has 12 divisors (see below), whose sum is σ = 219529838782800. Its totient is φ = 62502731039648.

The previous prime is 125225542120433. The next prime is 125225542120487. The reversal of 125225542120444 is 444021245522521.

It is a self number, because there is not a number n which added to its sum of digits gives 125225542120444.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27510002584 + ... + 27510007135.

It is an arithmetic number, because the mean of its divisors is an integer number (18294153231900).

Almost surely, 2^{125225542120444} is an apocalyptic number.

It is an amenable number.

125225542120444 is a deficient number, since it is larger than the sum of its proper divisors (94304296662356).

125225542120444 is a wasteful number, since it uses less digits than its factorization.

125225542120444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55020010292 (or 55020010290 counting only the distinct ones).

The product of its (nonzero) digits is 1024000, while the sum is 43.

Adding to 125225542120444 its reverse (444021245522521), we get a palindrome (569246787642965).

The spelling of 125225542120444 in words is "one hundred twenty-five trillion, two hundred twenty-five billion, five hundred forty-two million, one hundred twenty thousand, four hundred forty-four".