32181485112 has 256 divisors, whose sum is σ = 108850867200. Its totient is φ = 8599633920.

The previous prime is 32181485099. The next prime is 32181485123. The reversal of 32181485112 is 21158418123.

It is a happy number.

32181485112 is a `hidden beast` number, since 3 + 21 + 81 + 48 + 511 + 2 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4185912 + ... + 4193592.

It is an arithmetic number, because the mean of its divisors is an integer number (425198700).

Almost surely, 2^32181485112 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 32181485112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54425433600).

32181485112 is an abundant number, since it is smaller than the sum of its proper divisors (76669382088).

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

32181485112 is a wasteful number, since it uses less digits than its factorization.

32181485112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7883 (or 7873 counting only the distinct ones).

The product of its digits is 15360, while the sum is 36.

The spelling of 32181485112 in words is "thirty-two billion, one hundred eighty-one million, four hundred eighty-five thousand, one hundred twelve".