441552125725561 has 16 divisors (see below), whose sum is σ = 462765276604800. Its totient is φ = 420506936581248.

The previous prime is 441552125725547. The next prime is 441552125725597. The reversal of 441552125725561 is 165527521255144.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-441552125725561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (441552129725561) 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, 1339386030 + ... + 1339715656.

It is an arithmetic number, because the mean of its divisors is an integer number (28922829787800).

Almost surely, 2^{441552125725561} is an apocalyptic number.

It is an amenable number.

441552125725561 is a deficient number, since it is larger than the sum of its proper divisors (21213150879239).

441552125725561 is a wasteful number, since it uses less digits than its factorization.

441552125725561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584208.

The product of its digits is 16800000, while the sum is 55.

The spelling of 441552125725561 in words is "four hundred forty-one trillion, five hundred fifty-two billion, one hundred twenty-five million, seven hundred twenty-five thousand, five hundred sixty-one".