999001000110001 has 72 divisors (see below), whose sum is σ = 1260309082485024. Its totient is φ = 786820854516480.

The previous prime is 999001000109989. The next prime is 999001000110013. The reversal of 999001000110001 is 100011000100999.

It is an interprime number because it is at equal distance from previous prime (999001000109989) and next prime (999001000110013).

It is not a de Polignac number, because 999001000110001 - 2¹¹ = 999001000107953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (999001000111001) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3454562146 + ... + 3454851316.

It is an arithmetic number, because the mean of its divisors is an integer number (17504292812292).

Almost surely, 2^{999001000110001} is an apocalyptic number.

It is an amenable number.

999001000110001 is a deficient number, since it is larger than the sum of its proper divisors (261308082375023).

999001000110001 is a wasteful number, since it uses less digits than its factorization.

999001000110001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291531 (or 291481 counting only the distinct ones).

The product of its (nonzero) digits is 729, while the sum is 31.

The spelling of 999001000110001 in words is "nine hundred ninety-nine trillion, one billion, one hundred ten thousand, one".