5617111521 has 24 divisors (see below), whose sum is σ = 8733649440. Its totient is φ = 3201895872.

The previous prime is 5617111519. The next prime is 5617111523. The reversal of 5617111521 is 1251117165.

It is an interprime number because it is at equal distance from previous prime (5617111519) and next prime (5617111523).

It is not a de Polignac number, because 5617111521 - 2¹ = 5617111519 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5617111523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13410 + ... + 106836.

It is an arithmetic number, because the mean of its divisors is an integer number (363902060).

Almost surely, 2^5617111521 is an apocalyptic number.

It is an amenable number.

5617111521 is a deficient number, since it is larger than the sum of its proper divisors (3116537919).

5617111521 is a wasteful number, since it uses less digits than its factorization.

5617111521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93853 (or 93846 counting only the distinct ones).

The product of its digits is 2100, while the sum is 30.

The square root of 5617111521 is about 74947.3916891042. The cubic root of 5617111521 is about 1777.6149009936.

Adding to 5617111521 its reverse (1251117165), we get a palindrome (6868228686).

The spelling of 5617111521 in words is "five billion, six hundred seventeen million, one hundred eleven thousand, five hundred twenty-one".