421044000025541 has 8 divisors (see below), whose sum is σ = 421784264698368. Its totient is φ = 420303745440000.

The previous prime is 421044000025511. The next prime is 421044000025591. The reversal of 421044000025541 is 145520000440124.

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 421044000025541 - 2⁶ = 421044000025477 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 421044000025498 and 421044000025507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421044000025511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83615516 + ... + 88507866.

It is an arithmetic number, because the mean of its divisors is an integer number (52723033087296).

Almost surely, 2^{421044000025541} is an apocalyptic number.

It is an amenable number.

421044000025541 is a deficient number, since it is larger than the sum of its proper divisors (740264672827).

421044000025541 is a wasteful number, since it uses less digits than its factorization.

421044000025541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5043643.

The product of its (nonzero) digits is 25600, while the sum is 32.

Adding to 421044000025541 its reverse (145520000440124), we get a palindrome (566564000465665).

The spelling of 421044000025541 in words is "four hundred twenty-one trillion, forty-four billion, twenty-five thousand, five hundred forty-one".