5105111101 has 4 divisors (see below), whose sum is σ = 5405411772. Its totient is φ = 4804810432.

The previous prime is 5105111087. The next prime is 5105111107. The reversal of 5105111101 is 1011115015.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3243188601 + 1861922500 = 56949^2 + 43150^2 .

It is a cyclic number.

It is not a de Polignac number, because 5105111101 - 2¹⁷ = 5104980029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5105111107) 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, 150150310 + ... + 150150343.

It is an arithmetic number, because the mean of its divisors is an integer number (1351352943).

Almost surely, 2^5105111101 is an apocalyptic number.

It is an amenable number.

5105111101 is a deficient number, since it is larger than the sum of its proper divisors (300300671).

5105111101 is a wasteful number, since it uses less digits than its factorization.

5105111101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300300670.

The product of its (nonzero) digits is 25, while the sum is 16.

The square root of 5105111101 is about 71450.0601889180. The cubic root of 5105111101 is about 1721.8754445169.

Adding to 5105111101 its reverse (1011115015), we get a palindrome (6116226116).

The spelling of 5105111101 in words is "five billion, one hundred five million, one hundred eleven thousand, one hundred one".