9906111715 has 16 divisors (see below), whose sum is σ = 11948813856. Its totient is φ = 7884000000.

The previous prime is 9906111703. The next prime is 9906111751. The reversal of 9906111715 is 5171116099.

9906111715 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 9906111715 - 2²¹ = 9904014563 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 874840 + ... + 886090.

It is an arithmetic number, because the mean of its divisors is an integer number (746800866).

Almost surely, 2^9906111715 is an apocalyptic number.

9906111715 is a deficient number, since it is larger than the sum of its proper divisors (2042702141).

9906111715 is a wasteful number, since it uses less digits than its factorization.

9906111715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12150.

The product of its (nonzero) digits is 17010, while the sum is 40.

The square root of 9906111715 is about 99529.4514955247. The cubic root of 9906111715 is about 2147.6709384843.

The spelling of 9906111715 in words is "nine billion, nine hundred six million, one hundred eleven thousand, seven hundred fifteen".