2111504434005 has 32 divisors (see below), whose sum is σ = 3380836681728. Its totient is φ = 1125326131200.

The previous prime is 2111504434001. The next prime is 2111504434021. The reversal of 2111504434005 is 5004344051112.

It is not a de Polignac number, because 2111504434005 - 2² = 2111504434001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111504434001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 244354485 + ... + 244363125.

It is an arithmetic number, because the mean of its divisors is an integer number (105651146304).

Almost surely, 2^{2111504434005} is an apocalyptic number.

It is an amenable number.

2111504434005 is a deficient number, since it is larger than the sum of its proper divisors (1269332247723).

2111504434005 is a wasteful number, since it uses less digits than its factorization.

2111504434005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18477.

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 2111504434005 its reverse (5004344051112), we get a palindrome (7115848485117).

The spelling of 2111504434005 in words is "two trillion, one hundred eleven billion, five hundred four million, four hundred thirty-four thousand, five".