5111005601 has 4 divisors (see below), whose sum is σ = 5504159892. Its totient is φ = 4717851312.

The previous prime is 5111005591. The next prime is 5111005609. The reversal of 5111005601 is 1065001115.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1787598400 + 3323407201 = 42280^2 + 57649^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5111005601 is a prime.

It is a super-3 number, since 3×5111005601³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5111005609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196577126 + ... + 196577151.

It is an arithmetic number, because the mean of its divisors is an integer number (1376039973).

Almost surely, 2^5111005601 is an apocalyptic number.

It is an amenable number.

5111005601 is a deficient number, since it is larger than the sum of its proper divisors (393154291).

5111005601 is a wasteful number, since it uses less digits than its factorization.

5111005601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393154290.

The product of its (nonzero) digits is 150, while the sum is 20.

The square root of 5111005601 is about 71491.2973794713. The cubic root of 5111005601 is about 1722.5378976792.

Adding to 5111005601 its reverse (1065001115), we get a palindrome (6176006716).

The spelling of 5111005601 in words is "five billion, one hundred eleven million, five thousand, six hundred one".