52111986680 has 64 divisors (see below), whose sum is σ = 126559540800. Its totient is φ = 19197434880.

The previous prime is 52111986671. The next prime is 52111986713. The reversal of 52111986680 is 8668911125.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114140 + ... + 342420.

It is an arithmetic number, because the mean of its divisors is an integer number (1977492825).

Almost surely, 2^52111986680 is an apocalyptic number.

It is a pronic number, being equal to 228280×228281.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52111986680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63279770400).

52111986680 is an abundant number, since it is smaller than the sum of its proper divisors (74447554120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52111986680 is a wasteful number, since it uses less digits than its factorization.

52111986680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228744 (or 228740 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 47.

The spelling of 52111986680 in words is "fifty-two billion, one hundred eleven million, nine hundred eighty-six thousand, six hundred eighty".