1000011999973 has 8 divisors (see below), whose sum is σ = 1145318121792. Its totient is φ = 855317694336.

The previous prime is 1000011999971. The next prime is 1000012000063. The reversal of 1000011999973 is 3799991100001.

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

It is not a de Polignac number, because 1000011999973 - 2¹ = 1000011999971 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 (1000011999971) 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, 152950540 + ... + 152957077.

It is an arithmetic number, because the mean of its divisors is an integer number (143164765224).

Almost surely, 2^{1000011999973} is an apocalyptic number.

It is an amenable number.

1000011999973 is a deficient number, since it is larger than the sum of its proper divisors (145306121819).

1000011999973 is an equidigital number, since it uses as much as digits as its factorization.

1000011999973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305908091.

The product of its (nonzero) digits is 137781, while the sum is 49.

The spelling of 1000011999973 in words is "one trillion, eleven million, nine hundred ninety-nine thousand, nine hundred seventy-three".