52111222601 has 4 divisors (see below), whose sum is σ = 52460962500. Its totient is φ = 51761482704.

The previous prime is 52111222531. The next prime is 52111222621. The reversal of 52111222601 is 10622211125.

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 29535859600 + 22575363001 = 171860^2 + 150251^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52111222601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52111222621) 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, 174869726 + ... + 174870023.

It is an arithmetic number, because the mean of its divisors is an integer number (13115240625).

Almost surely, 2^52111222601 is an apocalyptic number.

It is an amenable number.

52111222601 is a deficient number, since it is larger than the sum of its proper divisors (349739899).

52111222601 is a wasteful number, since it uses less digits than its factorization.

52111222601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349739898.

The product of its (nonzero) digits is 480, while the sum is 23.

Adding to 52111222601 its reverse (10622211125), we get a palindrome (62733433726).

The spelling of 52111222601 in words is "fifty-two billion, one hundred eleven million, two hundred twenty-two thousand, six hundred one".