5611061004 has 72 divisors (see below), whose sum is σ = 13930058688. Its totient is φ = 1757533440.

The previous prime is 5611060999. The next prime is 5611061017. The reversal of 5611061004 is 4001601165.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3782847 + ... + 3784329.

Almost surely, 2^5611061004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5611061004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6965029344).

5611061004 is an abundant number, since it is smaller than the sum of its proper divisors (8318997684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5611061004 is a wasteful number, since it uses less digits than its factorization.

5611061004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2615 (or 2596 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 5611061004 is about 74907.0157194905. The cubic root of 5611061004 is about 1776.9764142769.

Adding to 5611061004 its reverse (4001601165), we get a palindrome (9612662169).

The spelling of 5611061004 in words is "five billion, six hundred eleven million, sixty-one thousand, four".