52111320551 has 8 divisors (see below), whose sum is σ = 52835143680. Its totient is φ = 51389102232.

The previous prime is 52111320493. The next prime is 52111320557. The reversal of 52111320551 is 15502311125.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52111320551 - 2¹⁰ = 52111319527 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 52111320551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52111320557) 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 7 ways as a sum of consecutive naturals, for example, 335735 + ... + 465768.

It is an arithmetic number, because the mean of its divisors is an integer number (6604392960).

Almost surely, 2^52111320551 is an apocalyptic number.

52111320551 is a deficient number, since it is larger than the sum of its proper divisors (723823129).

52111320551 is an equidigital number, since it uses as much as digits as its factorization.

52111320551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802405.

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

Adding to 52111320551 its reverse (15502311125), we get a palindrome (67613631676).

The spelling of 52111320551 in words is "fifty-two billion, one hundred eleven million, three hundred twenty thousand, five hundred fifty-one".