81108046024 has 16 divisors (see below), whose sum is σ = 156187791900. Its totient is φ = 39457968192.

The previous prime is 81108046007. The next prime is 81108046037. The reversal of 81108046024 is 42064080118.

It can be written as a sum of positive squares in 2 ways, for example, as 71458913124 + 9649132900 = 267318^2 + 98230^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137006539 + ... + 137007130.

Almost surely, 2^81108046024 is an apocalyptic number.

It is an amenable number.

81108046024 is a deficient number, since it is larger than the sum of its proper divisors (75079745876).

81108046024 is a wasteful number, since it uses less digits than its factorization.

81108046024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274013712 (or 274013708 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 34.

The spelling of 81108046024 in words is "eighty-one billion, one hundred eight million, forty-six thousand, twenty-four".