82551380112 has 60 divisors (see below), whose sum is σ = 244619170380. Its totient is φ = 25898471424.

The previous prime is 82551380089. The next prime is 82551380123. The reversal of 82551380112 is 21108315528.

82551380112 is a `hidden beast` number, since 8 + 25 + 513 + 8 + 0 + 112 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 69873520896 + 12677859216 = 264336^2 + 112596^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16858537 + ... + 16863432.

It is an arithmetic number, because the mean of its divisors is an integer number (4076986173).

Almost surely, 2^82551380112 is an apocalyptic number.

It is an amenable number.

82551380112 is an abundant number, since it is smaller than the sum of its proper divisors (162067790268).

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

82551380112 is a wasteful number, since it uses less digits than its factorization.

82551380112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33722000 (or 33721991 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 36.

The spelling of 82551380112 in words is "eighty-two billion, five hundred fifty-one million, three hundred eighty thousand, one hundred twelve".