9995099815 has 16 divisors (see below), whose sum is σ = 12632094720. Its totient is φ = 7571210400.

The previous prime is 9995099773. The next prime is 9995099819. The reversal of 9995099815 is 5189905999.

9995099815 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 9995099815 - 2¹⁷ = 9994968743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9995099819) 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, 158382 + ... + 212308.

It is an arithmetic number, because the mean of its divisors is an integer number (789505920).

Almost surely, 2^9995099815 is an apocalyptic number.

9995099815 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

9995099815 is a deficient number, since it is larger than the sum of its proper divisors (2636994905).

9995099815 is a wasteful number, since it uses less digits than its factorization.

9995099815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55902.

The product of its (nonzero) digits is 11809800, while the sum is 64.

The square root of 9995099815 is about 99975.4960727878. The cubic root of 9995099815 is about 2154.0827282513.

The spelling of 9995099815 in words is "nine billion, nine hundred ninety-five million, ninety-nine thousand, eight hundred fifteen".