105211541541 has 4 divisors (see below), whose sum is σ = 140282055392. Its totient is φ = 70141027692.

The previous prime is 105211541537. The next prime is 105211541563. The reversal of 105211541541 is 145145112501.

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 not a de Polignac number, because 105211541541 - 2² = 105211541537 is a prime.

It is a super-2 number, since 2×105211541541² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 105211541499 and 105211541508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105211541041) 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, 17535256921 + ... + 17535256926.

It is an arithmetic number, because the mean of its divisors is an integer number (35070513848).

Almost surely, 2^105211541541 is an apocalyptic number.

It is an amenable number.

105211541541 is a deficient number, since it is larger than the sum of its proper divisors (35070513851).

105211541541 is an equidigital number, since it uses as much as digits as its factorization.

105211541541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35070513850.

The product of its (nonzero) digits is 4000, while the sum is 30.

The spelling of 105211541541 in words is "one hundred five billion, two hundred eleven million, five hundred forty-one thousand, five hundred forty-one".