900011000010001 has 4 divisors (see below), whose sum is σ = 981830181829104. Its totient is φ = 818191818190900.

The previous prime is 900011000009939. The next prime is 900011000010079. The reversal of 900011000010001 is 100010000110009.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 900011000010001 - 2¹¹ = 900011000007953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (900011000010601) 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 3 ways as a sum of consecutive naturals, for example, 40909590909535 + ... + 40909590909556.

It is an arithmetic number, because the mean of its divisors is an integer number (245457545457276).

Almost surely, 2^{900011000010001} is an apocalyptic number.

It is an amenable number.

900011000010001 is a deficient number, since it is larger than the sum of its proper divisors (81819181819103).

900011000010001 is a wasteful number, since it uses less digits than its factorization.

900011000010001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81819181819102.

The product of its (nonzero) digits is 9, while the sum is 13.

The spelling of 900011000010001 in words is "nine hundred trillion, eleven billion, ten thousand, one".