15881136084064 has 24 divisors (see below), whose sum is σ = 32625377391600. Its totient is φ = 7595325952896.

The previous prime is 15881136084043. The next prime is 15881136084067. The reversal of 15881136084064 is 46048063118851.

15881136084064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 15881136083996 and 15881136084014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15881136084067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10788814539 + ... + 10788816010.

It is an arithmetic number, because the mean of its divisors is an integer number (1359390724650).

Almost surely, 2^{15881136084064} is an apocalyptic number.

It is an amenable number.

15881136084064 is an abundant number, since it is smaller than the sum of its proper divisors (16744241307536).

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

15881136084064 is a wasteful number, since it uses less digits than its factorization.

15881136084064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21577630582 (or 21577630574 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 55.

The spelling of 15881136084064 in words is "fifteen trillion, eight hundred eighty-one billion, one hundred thirty-six million, eighty-four thousand, sixty-four".