2111441441503 has 16 divisors (see below), whose sum is σ = 2160633139200. Its totient is φ = 2062753711200.

The previous prime is 2111441441489. The next prime is 2111441441509. The reversal of 2111441441503 is 3051441441112.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2111441441503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111441441509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7398148 + ... + 7678246.

It is an arithmetic number, because the mean of its divisors is an integer number (135039571200).

Almost surely, 2^{2111441441503} is an apocalyptic number.

2111441441503 is a deficient number, since it is larger than the sum of its proper divisors (49191697697).

2111441441503 is a wasteful number, since it uses less digits than its factorization.

2111441441503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280998.

The product of its (nonzero) digits is 7680, while the sum is 31.

Adding to 2111441441503 its reverse (3051441441112), we get a palindrome (5162882882615).

The spelling of 2111441441503 in words is "two trillion, one hundred eleven billion, four hundred forty-one million, four hundred forty-one thousand, five hundred three".