104563521126021 has 32 divisors (see below), whose sum is σ = 147498788736000. Its totient is φ = 65705807059200.

The previous prime is 104563521126019. The next prime is 104563521126049. The reversal of 104563521126021 is 120621125365401.

It is not a de Polignac number, because 104563521126021 - 2¹ = 104563521126019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104563521126521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 332158546 + ... + 332473196.

It is an arithmetic number, because the mean of its divisors is an integer number (4609337148000).

Almost surely, 2^{104563521126021} is an apocalyptic number.

It is an amenable number.

104563521126021 is a deficient number, since it is larger than the sum of its proper divisors (42935267609979).

104563521126021 is a wasteful number, since it uses less digits than its factorization.

104563521126021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344169.

The product of its (nonzero) digits is 86400, while the sum is 39.

The spelling of 104563521126021 in words is "one hundred four trillion, five hundred sixty-three billion, five hundred twenty-one million, one hundred twenty-six thousand, twenty-one".