82520215132 has 18 divisors (see below), whose sum is σ = 146816595744. Its totient is φ = 40583705040.

The previous prime is 82520215109. The next prime is 82520215139. The reversal of 82520215132 is 23151202528.

It is a junction number, because it is equal to n+sod(n) for n = 82520215094 and 82520215103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82520215139) 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 5 ways as a sum of consecutive naturals, for example, 2757228 + ... + 2786995.

Almost surely, 2^82520215132 is an apocalyptic number.

It is an amenable number.

82520215132 is a deficient number, since it is larger than the sum of its proper divisors (64296380612).

82520215132 is a wasteful number, since it uses less digits than its factorization.

82520215132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5544349 (or 5544286 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

The spelling of 82520215132 in words is "eighty-two billion, five hundred twenty million, two hundred fifteen thousand, one hundred thirty-two".