2105155411 has 4 divisors (see below), whose sum is σ = 2105248912. Its totient is φ = 2105061912.

The previous prime is 2105155399. The next prime is 2105155421. The reversal of 2105155411 is 1145515012.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2105155411 - 2²³ = 2096766803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2105155421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9925 + ... + 65641.

It is an arithmetic number, because the mean of its divisors is an integer number (526312228).

Almost surely, 2^2105155411 is an apocalyptic number.

2105155411 is a deficient number, since it is larger than the sum of its proper divisors (93501).

2105155411 is an equidigital number, since it uses as much as digits as its factorization.

2105155411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93500.

The product of its (nonzero) digits is 1000, while the sum is 25.

The square root of 2105155411 is about 45881.9726145248. The cubic root of 2105155411 is about 1281.6262311460.

The spelling of 2105155411 in words is "two billion, one hundred five million, one hundred fifty-five thousand, four hundred eleven".