2104343511 has 32 divisors (see below), whose sum is σ = 2895782400. Its totient is φ = 1358837760.

The previous prime is 2104343509. The next prime is 2104343533. The reversal of 2104343511 is 1153434012.

It is a happy number.

It is not a de Polignac number, because 2104343511 - 2¹ = 2104343509 is a prime.

It is a super-2 number, since 2×2104343511² = 8856523224575614242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104343551) 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, 3698035 + ... + 3698603.

It is an arithmetic number, because the mean of its divisors is an integer number (90493200).

Almost surely, 2^2104343511 is an apocalyptic number.

2104343511 is a deficient number, since it is larger than the sum of its proper divisors (791438889).

2104343511 is a wasteful number, since it uses less digits than its factorization.

2104343511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2104343511 is about 45873.1240597368. The cubic root of 2104343511 is about 1281.4614474074.

Adding to 2104343511 its reverse (1153434012), we get a palindrome (3257777523).

The spelling of 2104343511 in words is "two billion, one hundred four million, three hundred forty-three thousand, five hundred eleven".