5611061003 has 4 divisors (see below), whose sum is σ = 5611220568. Its totient is φ = 5610901440.

The previous prime is 5611060999. The next prime is 5611061017. The reversal of 5611061003 is 3001601165.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3001601165 = 5 ⋅600320233.

It is a cyclic number.

It is not a de Polignac number, because 5611061003 - 2² = 5611060999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5611061003.

It is not an unprimeable number, because it can be changed into a prime (5611061033) 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, 1301 + ... + 105942.

It is an arithmetic number, because the mean of its divisors is an integer number (1402805142).

Almost surely, 2^5611061003 is an apocalyptic number.

5611061003 is a deficient number, since it is larger than the sum of its proper divisors (159565).

5611061003 is a wasteful number, since it uses less digits than its factorization.

5611061003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159564.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 5611061003 is about 74907.0157128156. The cubic root of 5611061003 is about 1776.9764141713.

Adding to 5611061003 its reverse (3001601165), we get a palindrome (8612662168).

The spelling of 5611061003 in words is "five billion, six hundred eleven million, sixty-one thousand, three".