5611021613 has 8 divisors (see below), whose sum is σ = 5910172800. Its totient is φ = 5312253888.

The previous prime is 5611021601. The next prime is 5611021657. The reversal of 5611021613 is 3161201165.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5611021613 - 2¹⁴ = 5611005229 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 (5611021673) 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 7 ways as a sum of consecutive naturals, for example, 65573 + ... + 124586.

It is an arithmetic number, because the mean of its divisors is an integer number (738771600).

Almost surely, 2^5611021613 is an apocalyptic number.

It is an amenable number.

5611021613 is a deficient number, since it is larger than the sum of its proper divisors (299151187).

5611021613 is a wasteful number, since it uses less digits than its factorization.

5611021613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191731.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 5611021613 is about 74906.7527863810. The cubic root of 5611021613 is about 1776.9722559997.

Adding to 5611021613 its reverse (3161201165), we get a palindrome (8772222778).

The spelling of 5611021613 in words is "five billion, six hundred eleven million, twenty-one thousand, six hundred thirteen".