2005455344411 has 4 divisors (see below), whose sum is σ = 2024925784752. Its totient is φ = 1985984904072.

The previous prime is 2005455344401. The next prime is 2005455344437. The reversal of 2005455344411 is 1144435545002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2005455344411 is a prime.

It is a super-2 number, since 2×2005455344411² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2005455344401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9735220016 + ... + 9735220221.

It is an arithmetic number, because the mean of its divisors is an integer number (506231446188).

Almost surely, 2^{2005455344411} is an apocalyptic number.

2005455344411 is a deficient number, since it is larger than the sum of its proper divisors (19470440341).

2005455344411 is a wasteful number, since it uses less digits than its factorization.

2005455344411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19470440340.

The product of its (nonzero) digits is 192000, while the sum is 38.

The spelling of 2005455344411 in words is "two trillion, five billion, four hundred fifty-five million, three hundred forty-four thousand, four hundred eleven".