125556385441 has 8 divisors (see below), whose sum is σ = 126873752544. Its totient is φ = 124241684160.

The previous prime is 125556385421. The next prime is 125556385477. The reversal of 125556385441 is 144583655521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125556385441 - 2¹⁹ = 125555861153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125556385421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 571695 + ... + 760228.

It is an arithmetic number, because the mean of its divisors is an integer number (15859219068).

Almost surely, 2^125556385441 is an apocalyptic number.

It is an amenable number.

125556385441 is a deficient number, since it is larger than the sum of its proper divisors (1317367103).

125556385441 is a wasteful number, since it uses less digits than its factorization.

125556385441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332911.

The product of its digits is 2880000, while the sum is 49.

The spelling of 125556385441 in words is "one hundred twenty-five billion, five hundred fifty-six million, three hundred eighty-five thousand, four hundred forty-one".