4108111420520 has 32 divisors (see below), whose sum is σ = 9243314847720. Its totient is φ = 1643233163520.

The previous prime is 4108111420489. The next prime is 4108111420531. The reversal of 4108111420520 is 250241118014.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2863588221796 + 1244523198724 = 1692214^2 + 1115582^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7762274 + ... + 8274606.

Almost surely, 2^{4108111420520} is an apocalyptic number.

4108111420520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4108111420520 is an abundant number, since it is smaller than the sum of its proper divisors (5135203427200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4108111420520 is a wasteful number, since it uses less digits than its factorization.

4108111420520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712805 (or 712801 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 29.

Adding to 4108111420520 its reverse (250241118014), we get a palindrome (4358352538534).

The spelling of 4108111420520 in words is "four trillion, one hundred eight billion, one hundred eleven million, four hundred twenty thousand, five hundred twenty".