1000009099971 has 96 divisors (see below), whose sum is σ = 1737055756800. Its totient is φ = 566906558400.

The previous prime is 1000009099907. The next prime is 1000009100003. The reversal of 1000009099971 is 1799909000001.

It is not a de Polignac number, because 1000009099971 - 2⁶ = 1000009099907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1000009099171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 176396725 + ... + 176402393.

It is an arithmetic number, because the mean of its divisors is an integer number (18094330800).

Almost surely, 2^{1000009099971} is an apocalyptic number.

1000009099971 is a deficient number, since it is larger than the sum of its proper divisors (737046656829).

1000009099971 is a wasteful number, since it uses less digits than its factorization.

1000009099971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6726 (or 6713 counting only the distinct ones).

The product of its (nonzero) digits is 45927, while the sum is 45.

The spelling of 1000009099971 in words is "one trillion, nine million, ninety-nine thousand, nine hundred seventy-one".