21441100525413 has 8 divisors (see below), whose sum is σ = 28591925090976. Its totient is φ = 14292171488400.

The previous prime is 21441100525337. The next prime is 21441100525459. The reversal of 21441100525413 is 31452500114412.

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

It is not a de Polignac number, because 21441100525413 - 2⁸ = 21441100525157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21441100525463) 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, 473855743 + ... + 473900988.

It is an arithmetic number, because the mean of its divisors is an integer number (3573990636372).

Almost surely, 2^{21441100525413} is an apocalyptic number.

It is an amenable number.

21441100525413 is a deficient number, since it is larger than the sum of its proper divisors (7150824565563).

21441100525413 is an equidigital number, since it uses as much as digits as its factorization.

21441100525413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947764275.

The product of its (nonzero) digits is 19200, while the sum is 33.

Adding to 21441100525413 its reverse (31452500114412), we get a palindrome (52893600639825).

The spelling of 21441100525413 in words is "twenty-one trillion, four hundred forty-one billion, one hundred million, five hundred twenty-five thousand, four hundred thirteen".