2005501203043 has 32 divisors (see below), whose sum is σ = 2280436200000. Its totient is φ = 1748410417152.

The previous prime is 2005501203031. The next prime is 2005501203089. The reversal of 2005501203043 is 3403021055002.

It is a cyclic number.

It is not a de Polignac number, because 2005501203043 - 2⁵ = 2005501203011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2005501202999 and 2005501203017.

It is not an unprimeable number, because it can be changed into a prime (2005501203943) 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 31 ways as a sum of consecutive naturals, for example, 142946953 + ... + 142960981.

It is an arithmetic number, because the mean of its divisors is an integer number (71263631250).

Almost surely, 2^{2005501203043} is an apocalyptic number.

2005501203043 is a deficient number, since it is larger than the sum of its proper divisors (274934996957).

2005501203043 is a wasteful number, since it uses less digits than its factorization.

2005501203043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15799.

The product of its (nonzero) digits is 3600, while the sum is 25.

Adding to 2005501203043 its reverse (3403021055002), we get a palindrome (5408522258045).

The spelling of 2005501203043 in words is "two trillion, five billion, five hundred one million, two hundred three thousand, forty-three".