5121055601 has 4 divisors (see below), whose sum is σ = 5129931492. Its totient is φ = 5112179712.

The previous prime is 5121055561. The next prime is 5121055607. The reversal of 5121055601 is 1065501215.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1065501215 = 5 ⋅213100243.

It can be written as a sum of positive squares in 2 ways, for example, as 2766865201 + 2354190400 = 52601^2 + 48520^2 .

It is a cyclic number.

It is not a de Polignac number, because 5121055601 - 2¹⁰ = 5121054577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5121055607) 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 3 ways as a sum of consecutive naturals, for example, 4437080 + ... + 4438233.

It is an arithmetic number, because the mean of its divisors is an integer number (1282482873).

Almost surely, 2^5121055601 is an apocalyptic number.

It is an amenable number.

5121055601 is a deficient number, since it is larger than the sum of its proper divisors (8875891).

5121055601 is an equidigital number, since it uses as much as digits as its factorization.

5121055601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8875890.

The product of its (nonzero) digits is 1500, while the sum is 26.

The square root of 5121055601 is about 71561.5511360675. The cubic root of 5121055601 is about 1723.6661930222. Note that the first 3 decimals are identical.

Adding to 5121055601 its reverse (1065501215), we get a palindrome (6186556816).

The spelling of 5121055601 in words is "five billion, one hundred twenty-one million, fifty-five thousand, six hundred one".