52211731821086 has 4 divisors (see below), whose sum is σ = 78317597731632. Its totient is φ = 26105865910542.

The previous prime is 52211731821079. The next prime is 52211731821107. The reversal of 52211731821086 is 68012813711225.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 52211731821086.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13052932955270 + ... + 13052932955273.

It is an arithmetic number, because the mean of its divisors is an integer number (19579399432908).

Almost surely, 2^{52211731821086} is an apocalyptic number.

52211731821086 is a deficient number, since it is larger than the sum of its proper divisors (26105865910546).

52211731821086 is a wasteful number, since it uses less digits than its factorization.

52211731821086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26105865910545.

The product of its (nonzero) digits is 322560, while the sum is 47.

The spelling of 52211731821086 in words is "fifty-two trillion, two hundred eleven billion, seven hundred thirty-one million, eight hundred twenty-one thousand, eighty-six".