2111052351205 has 24 divisors (see below), whose sum is σ = 3074980966272. Its totient is φ = 1384640544672.

The previous prime is 2111052351179. The next prime is 2111052351259. The reversal of 2111052351205 is 5021532501112.

It is a happy number.

It is not a de Polignac number, because 2111052351205 - 2²⁵ = 2111018796773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 187310457 + ... + 187321726.

It is an arithmetic number, because the mean of its divisors is an integer number (128124206928).

Almost surely, 2^{2111052351205} is an apocalyptic number.

It is an amenable number.

2111052351205 is a deficient number, since it is larger than the sum of its proper divisors (963928615067).

2111052351205 is a wasteful number, since it uses less digits than its factorization.

2111052351205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374632225 (or 374632218 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 28.

Adding to 2111052351205 its reverse (5021532501112), we get a palindrome (7132584852317).

The spelling of 2111052351205 in words is "two trillion, one hundred eleven billion, fifty-two million, three hundred fifty-one thousand, two hundred five".