2111013405 has 24 divisors (see below), whose sum is σ = 3744188448. Its totient is φ = 1099689696.

The previous prime is 2111013361. The next prime is 2111013467. The reversal of 2111013405 is 5043101112.

It is not a de Polignac number, because 2111013405 - 2¹² = 2111009309 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 543547 + ... + 547416.

It is an arithmetic number, because the mean of its divisors is an integer number (156007852).

Almost surely, 2^2111013405 is an apocalyptic number.

It is an amenable number.

2111013405 is a deficient number, since it is larger than the sum of its proper divisors (1633175043).

2111013405 is a wasteful number, since it uses less digits than its factorization.

2111013405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091017 (or 1091014 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 2111013405 is about 45945.7659093849. The cubic root of 2111013405 is about 1282.8139194845.

Adding to 2111013405 its reverse (5043101112), we get a palindrome (7154114517).

The spelling of 2111013405 in words is "two billion, one hundred eleven million, thirteen thousand, four hundred five".