15681307083012 has 36 divisors (see below), whose sum is σ = 39639646768176. Its totient is φ = 5226998554800.

The previous prime is 15681307083007. The next prime is 15681307083017. The reversal of 15681307083012 is 21038070318651.

It is a happy number.

15681307083012 is a `hidden beast` number, since 1 + 568 + 1 + 3 + 0 + 7 + 0 + 83 + 0 + 1 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (15681307083007) and next prime (15681307083017).

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (15681307083017) 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 11 ways as a sum of consecutive naturals, for example, 2476498 + ... + 6123369.

It is an arithmetic number, because the mean of its divisors is an integer number (1101101299116).

Almost surely, 2^{15681307083012} is an apocalyptic number.

15681307083012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15681307083012 is an abundant number, since it is smaller than the sum of its proper divisors (23958339685164).

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

15681307083012 is a wasteful number, since it uses less digits than its factorization.

15681307083012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8650528 (or 8650523 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 15681307083012 in words is "fifteen trillion, six hundred eighty-one billion, three hundred seven million, eighty-three thousand, twelve".