100043353205525 has 24 divisors (see below), whose sum is σ = 124300214229504. Its totient is φ = 79875828244800.

The previous prime is 100043353205513. The next prime is 100043353205531. The reversal of 100043353205525 is 525502353340001.

It is a de Polignac number, because none of the positive numbers 2^k-100043353205525 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24873692 + ... + 28614458.

It is an arithmetic number, because the mean of its divisors is an integer number (5179175592896).

Almost surely, 2^{100043353205525} is an apocalyptic number.

It is an amenable number.

100043353205525 is a deficient number, since it is larger than the sum of its proper divisors (24256861023979).

100043353205525 is a wasteful number, since it uses less digits than its factorization.

100043353205525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3742901 (or 3742896 counting only the distinct ones).

The product of its (nonzero) digits is 270000, while the sum is 38.

The spelling of 100043353205525 in words is "one hundred trillion, forty-three billion, three hundred fifty-three million, two hundred five thousand, five hundred twenty-five".