2005110381 has 16 divisors (see below), whose sum is σ = 2732073984. Its totient is φ = 1307479344.

The previous prime is 2005110379. The next prime is 2005110391. The reversal of 2005110381 is 1830115002.

It is not a de Polignac number, because 2005110381 - 2¹ = 2005110379 is a prime.

It is a super-2 number, since 2×2005110381² = 8040935279987930322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2005110311) 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, 290290 + ... + 297116.

It is an arithmetic number, because the mean of its divisors is an integer number (170754624).

Almost surely, 2^2005110381 is an apocalyptic number.

It is an amenable number.

2005110381 is a deficient number, since it is larger than the sum of its proper divisors (726963603).

2005110381 is a wasteful number, since it uses less digits than its factorization.

2005110381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8960.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 2005110381 is about 44778.4588948749. The cubic root of 2005110381 is about 1260.9932499534.

Adding to 2005110381 its reverse (1830115002), we get a palindrome (3835225383).

The spelling of 2005110381 in words is "two billion, five million, one hundred ten thousand, three hundred eighty-one".