5613111111 has 4 divisors (see below), whose sum is σ = 7484148152. Its totient is φ = 3742074072.

The previous prime is 5613111083. The next prime is 5613111139. The reversal of 5613111111 is 1111113165.

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

It is an interprime number because it is at equal distance from previous prime (5613111083) and next prime (5613111139).

It is not a de Polignac number, because 5613111111 - 2⁶ = 5613111047 is a prime.

It is a Duffinian number.

5613111111 is a modest number, since divided by 111111 gives 5613 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5613115111) 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, 935518516 + ... + 935518521.

It is an arithmetic number, because the mean of its divisors is an integer number (1871037038).

Almost surely, 2^5613111111 is an apocalyptic number.

5613111111 is a deficient number, since it is larger than the sum of its proper divisors (1871037041).

5613111111 is a wasteful number, since it uses less digits than its factorization.

5613111111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1871037040.

The product of its digits is 90, while the sum is 21.

The square root of 5613111111 is about 74920.6988154809. The cubic root of 5613111111 is about 1777.1928052111.

Adding to 5613111111 its reverse (1111113165), we get a palindrome (6724224276).

The spelling of 5613111111 in words is "five billion, six hundred thirteen million, one hundred eleven thousand, one hundred eleven".