5105043111 has 16 divisors (see below), whose sum is σ = 7781349888. Its totient is φ = 2916328800.

The previous prime is 5105043109. The next prime is 5105043113. The reversal of 5105043111 is 1113405015.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5105043109) and next prime (5105043113).

It is not a de Polignac number, because 5105043111 - 2¹ = 5105043109 is a prime.

It is a super-2 number, since 2×5105043111² = 52122930330337116642, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5105043113) 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, 43981 + ... + 110201.

It is an arithmetic number, because the mean of its divisors is an integer number (486334368).

Almost surely, 2^5105043111 is an apocalyptic number.

5105043111 is a deficient number, since it is larger than the sum of its proper divisors (2676306777).

5105043111 is a wasteful number, since it uses less digits than its factorization.

5105043111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69902.

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 5105043111 is about 71449.5844004708. The cubic root of 5105043111 is about 1721.8678004892.

Adding to 5105043111 its reverse (1113405015), we get a palindrome (6218448126).

The spelling of 5105043111 in words is "five billion, one hundred five million, forty-three thousand, one hundred eleven".