82855636005131 has 4 divisors (see below), whose sum is σ = 90387966551064. Its totient is φ = 75323305459200.

The previous prime is 82855636005053. The next prime is 82855636005151. The reversal of 82855636005131 is 13150063655828.

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

It is a cyclic number.

It is not a de Polignac number, because 82855636005131 - 2¹⁰ = 82855636004107 is a prime.

It is a super-2 number, since 2×82855636005131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82855636005151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3766165272950 + ... + 3766165272971.

It is an arithmetic number, because the mean of its divisors is an integer number (22596991637766).

Almost surely, 2^{82855636005131} is an apocalyptic number.

82855636005131 is a deficient number, since it is larger than the sum of its proper divisors (7532330545933).

82855636005131 is a wasteful number, since it uses less digits than its factorization.

82855636005131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7532330545932.

The product of its (nonzero) digits is 5184000, while the sum is 53.

The spelling of 82855636005131 in words is "eighty-two trillion, eight hundred fifty-five billion, six hundred thirty-six million, five thousand, one hundred thirty-one".