2005501044147 has 16 divisors (see below), whose sum is σ = 2674978225920. Its totient is φ = 1336512391200.

The previous prime is 2005501044091. The next prime is 2005501044167. The reversal of 2005501044147 is 7414401055002.

It is not a de Polignac number, because 2005501044147 - 2¹⁵ = 2005501011379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2005501044167) 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 15 ways as a sum of consecutive naturals, for example, 144993522 + ... + 145007352.

It is an arithmetic number, because the mean of its divisors is an integer number (167186139120).

Almost surely, 2^{2005501044147} is an apocalyptic number.

2005501044147 is a deficient number, since it is larger than the sum of its proper divisors (669477181773).

2005501044147 is a wasteful number, since it uses less digits than its factorization.

2005501044147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27994.

The product of its (nonzero) digits is 22400, while the sum is 33.

Adding to 2005501044147 its reverse (7414401055002), we get a palindrome (9419902099149).

The spelling of 2005501044147 in words is "two trillion, five billion, five hundred one million, forty-four thousand, one hundred forty-seven".