10815990117 has 16 divisors (see below), whose sum is σ = 15249615360. Its totient is φ = 6807859200.

The previous prime is 10815990071. The next prime is 10815990173. The reversal of 10815990117 is 71109951801.

10815990117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10815990117 - 2¹¹ = 10815988069 is a prime.

It is a super-2 number, since 2×10815990117² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10815990517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1414492 + ... + 1422117.

It is an arithmetic number, because the mean of its divisors is an integer number (953100960).

Almost surely, 2^10815990117 is an apocalyptic number.

It is an amenable number.

10815990117 is a deficient number, since it is larger than the sum of its proper divisors (4433625243).

10815990117 is a wasteful number, since it uses less digits than its factorization.

10815990117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2836684.

The product of its (nonzero) digits is 22680, while the sum is 42.

The spelling of 10815990117 in words is "ten billion, eight hundred fifteen million, nine hundred ninety thousand, one hundred seventeen".