2205535099491 has 12 divisors (see below), whose sum is σ = 3271874892832. Its totient is φ = 1430617361616.

The previous prime is 2205535099487. The next prime is 2205535099519. The reversal of 2205535099491 is 1949905355022.

It is not a de Polignac number, because 2205535099491 - 2² = 2205535099487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2205535092491) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3311613931 + ... + 3311614596.

Almost surely, 2^{2205535099491} is an apocalyptic number.

2205535099491 is a deficient number, since it is larger than the sum of its proper divisors (1066339793341).

2205535099491 is a wasteful number, since it uses less digits than its factorization.

2205535099491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6623228570 (or 6623228567 counting only the distinct ones).

The product of its (nonzero) digits is 4374000, while the sum is 54.

The spelling of 2205535099491 in words is "two trillion, two hundred five billion, five hundred thirty-five million, ninety-nine thousand, four hundred ninety-one".