90205432011206 has 8 divisors (see below), whose sum is σ = 135309669437424. Its totient is φ = 45102208865400.

The previous prime is 90205432011199. The next prime is 90205432011217. The reversal of 90205432011206 is 60211023450209.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 253347725 + ... + 253703528.

It is an arithmetic number, because the mean of its divisors is an integer number (16913708679678).

Almost surely, 2^{90205432011206} is an apocalyptic number.

90205432011206 is a deficient number, since it is larger than the sum of its proper divisors (45104237426218).

90205432011206 is a wasteful number, since it uses less digits than its factorization.

90205432011206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507140206.

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 90205432011206 in words is "ninety trillion, two hundred five billion, four hundred thirty-two million, eleven thousand, two hundred six".