8105050535021 has 4 divisors (see below), whose sum is σ = 8841873310944. Its totient is φ = 7368227759100.

The previous prime is 8105050535017. The next prime is 8105050535041. The reversal of 8105050535021 is 1205350505018.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8105050535021 - 2² = 8105050535017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8105050535011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368411387945 + ... + 368411387966.

It is an arithmetic number, because the mean of its divisors is an integer number (2210468327736).

Almost surely, 2^{8105050535021} is an apocalyptic number.

It is an amenable number.

8105050535021 is a deficient number, since it is larger than the sum of its proper divisors (736822775923).

8105050535021 is a wasteful number, since it uses less digits than its factorization.

8105050535021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736822775922.

The product of its (nonzero) digits is 30000, while the sum is 35.

The spelling of 8105050535021 in words is "eight trillion, one hundred five billion, fifty million, five hundred thirty-five thousand, twenty-one".