81017714132 has 12 divisors (see below), whose sum is σ = 141785058240. Its totient is φ = 40507697496.

The previous prime is 81017714131. The next prime is 81017714137. The reversal of 81017714132 is 23141771018.

It is a junction number, because it is equal to n+sod(n) for n = 81017714092 and 81017714101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (81017714131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121868 + ... + 420579.

It is an arithmetic number, because the mean of its divisors is an integer number (11815421520).

Almost surely, 2^81017714132 is an apocalyptic number.

It is an amenable number.

81017714132 is a deficient number, since it is larger than the sum of its proper divisors (60767344108).

81017714132 is a wasteful number, since it uses less digits than its factorization.

81017714132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579790 (or 579788 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 35.

The spelling of 81017714132 in words is "eighty-one billion, seventeen million, seven hundred fourteen thousand, one hundred thirty-two".