8256132131232 has 96 divisors (see below), whose sum is σ = 21876457579200. Its totient is φ = 2726128908288.

The previous prime is 8256132131207. The next prime is 8256132131239. The reversal of 8256132131232 is 2321312316528.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×8256132131232² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8256132131239) 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 in 15 ways as a sum of consecutive naturals, for example, 245781894 + ... + 245815482.

It is an arithmetic number, because the mean of its divisors is an integer number (227879766450).

Almost surely, 2^{8256132131232} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8256132131232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10938228789600).

8256132131232 is an abundant number, since it is smaller than the sum of its proper divisors (13620325447968).

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

8256132131232 is a wasteful number, since it uses less digits than its factorization.

8256132131232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57638 (or 57630 counting only the distinct ones).

The product of its digits is 103680, while the sum is 39.

The spelling of 8256132131232 in words is "eight trillion, two hundred fifty-six billion, one hundred thirty-two million, one hundred thirty-one thousand, two hundred thirty-two".