10115500005 has 48 divisors (see below), whose sum is σ = 19533412080. Its totient is φ = 4808208384.

The previous prime is 10115499991. The next prime is 10115500007. The reversal of 10115500005 is 50000551101.

It can be written as a sum of positive squares in 8 ways, for example, as 1203951204 + 8911548801 = 34698^2 + 94401^2 .

It is not a de Polignac number, because 10115500005 - 2¹² = 10115495909 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10115500007) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 281164 + ... + 315093.

It is an arithmetic number, because the mean of its divisors is an integer number (406946085).

Almost surely, 2^10115500005 is an apocalyptic number.

10115500005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10115500005 is a deficient number, since it is larger than the sum of its proper divisors (9417912075).

10115500005 is a wasteful number, since it uses less digits than its factorization.

10115500005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596310 (or 596307 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 18.

The spelling of 10115500005 in words is "ten billion, one hundred fifteen million, five hundred thousand, five".