105211804641 has 4 divisors (see below), whose sum is σ = 140282406192. Its totient is φ = 70141203092.

The previous prime is 105211804637. The next prime is 105211804699. The reversal of 105211804641 is 146408112501.

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 105211804641 - 2² = 105211804637 is a prime.

It is a super-2 number, since 2×105211804641² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105211804741) 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, 17535300771 + ... + 17535300776.

It is an arithmetic number, because the mean of its divisors is an integer number (35070601548).

Almost surely, 2^105211804641 is an apocalyptic number.

It is an amenable number.

105211804641 is a deficient number, since it is larger than the sum of its proper divisors (35070601551).

105211804641 is an equidigital number, since it uses as much as digits as its factorization.

105211804641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35070601550.

The product of its (nonzero) digits is 7680, while the sum is 33.

The spelling of 105211804641 in words is "one hundred five billion, two hundred eleven million, eight hundred four thousand, six hundred forty-one".