1001000099999 has 8 divisors (see below), whose sum is σ = 1024319831040. Its totient is φ = 977682217176.

The previous prime is 1001000099993. The next prime is 1001000100053. The reversal of 1001000099999 is 9999900001001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1001000099999 - 2²⁴ = 1000983322783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001000099993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 665444 + ... + 1563590.

It is an arithmetic number, because the mean of its divisors is an integer number (128039978880).

Almost surely, 2^{1001000099999} is an apocalyptic number.

1001000099999 is a deficient number, since it is larger than the sum of its proper divisors (23319731041).

1001000099999 is an equidigital number, since it uses as much as digits as its factorization.

1001000099999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924109.

The product of its (nonzero) digits is 59049, while the sum is 47.

The spelling of 1001000099999 in words is "one trillion, one billion, ninety-nine thousand, nine hundred ninety-nine".