100520045817 has 8 divisors (see below), whose sum is σ = 135862710624. Its totient is φ = 66095372448.

The previous prime is 100520045749. The next prime is 100520045819. The reversal of 100520045817 is 718540025001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100520045817 - 2¹¹ = 100520043769 is a prime.

It is a super-2 number, since 2×100520045817² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100520045819) by changing a digit.

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, 229497603 + ... + 229498040.

It is an arithmetic number, because the mean of its divisors is an integer number (16982838828).

Almost surely, 2^100520045817 is an apocalyptic number.

It is an amenable number.

100520045817 is a deficient number, since it is larger than the sum of its proper divisors (35342664807).

100520045817 is an equidigital number, since it uses as much as digits as its factorization.

100520045817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458995719.

The product of its (nonzero) digits is 11200, while the sum is 33.

The spelling of 100520045817 in words is "one hundred billion, five hundred twenty million, forty-five thousand, eight hundred seventeen".