99980001000001 has 8 divisors (see below), whose sum is σ = 100039652282664. Its totient is φ = 99920351980800.

The previous prime is 99980000999981. The next prime is 99980001000007. The reversal of 99980001000001 is 10000010008999.

It is a Cunningham number, because it is equal to 9999000²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 44409908933776 + 55570092066225 = 6664076^2 + 7454535^2 .

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 99980001000001 - 2¹⁹ = 99980000475713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99980001000007) 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, 92345401 + ... + 93421801.

It is an arithmetic number, because the mean of its divisors is an integer number (12504956535333).

Almost surely, 2^{99980001000001} is an apocalyptic number.

It is an amenable number.

99980001000001 is a deficient number, since it is larger than the sum of its proper divisors (59651282663).

99980001000001 is a wasteful number, since it uses less digits than its factorization.

99980001000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131731.

The product of its (nonzero) digits is 5832, while the sum is 37.

The spelling of 99980001000001 in words is "ninety-nine trillion, nine hundred eighty billion, one million, one", and thus it is an aban number.