10115081815 has 16 divisors (see below), whose sum is σ = 12278550240. Its totient is φ = 7998914560.

The previous prime is 10115081807. The next prime is 10115081849. The reversal of 10115081815 is 51818051101.

It is not a de Polignac number, because 10115081815 - 2³ = 10115081807 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138291 + ... + 198379.

It is an arithmetic number, because the mean of its divisors is an integer number (767409390).

Almost surely, 2^10115081815 is an apocalyptic number.

10115081815 is a deficient number, since it is larger than the sum of its proper divisors (2163468425).

10115081815 is a wasteful number, since it uses less digits than its factorization.

10115081815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60482.

The product of its (nonzero) digits is 1600, while the sum is 31.

The spelling of 10115081815 in words is "ten billion, one hundred fifteen million, eighty-one thousand, eight hundred fifteen".