11871373612853 has 2 divisors, whose sum is σ = 11871373612854. Its totient is φ = 11871373612852.

The previous prime is 11871373612849. The next prime is 11871373612949. The reversal of 11871373612853 is 35821637317811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7714578465169 + 4156795147684 = 2777513^2 + 2038822^2 .

It is a cyclic number.

It is not a de Polignac number, because 11871373612853 - 2² = 11871373612849 is a prime.

It is a super-3 number, since 3×11871373612853³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11871373617853) by changing a digit.

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 as a sum of consecutive naturals, namely, 5935686806426 + 5935686806427.

It is an arithmetic number, because the mean of its divisors is an integer number (5935686806427).

Almost surely, 2^{11871373612853} is an apocalyptic number.

It is an amenable number.

11871373612853 is a deficient number, since it is larger than the sum of its proper divisors (1).

11871373612853 is an equidigital number, since it uses as much as digits as its factorization.

11871373612853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5080320, while the sum is 56.

The spelling of 11871373612853 in words is "eleven trillion, eight hundred seventy-one billion, three hundred seventy-three million, six hundred twelve thousand, eight hundred fifty-three".