13542888861 has 12 divisors (see below), whose sum is σ = 19711280160. Its totient is φ = 8959671240.

The previous prime is 13542888859. The next prime is 13542888869. The reversal of 13542888861 is 16888824531.

13542888861 is a `hidden beast` number, since 1 + 354 + 288 + 8 + 8 + 6 + 1 = 666.

13542888861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13542888861 - 2¹ = 13542888859 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13542888798 and 13542888807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13542888869) 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, 5742201 + ... + 5744558.

It is an arithmetic number, because the mean of its divisors is an integer number (1642606680).

Almost surely, 2^13542888861 is an apocalyptic number.

It is an amenable number.

13542888861 is a deficient number, since it is larger than the sum of its proper divisors (6168391299).

13542888861 is a wasteful number, since it uses less digits than its factorization.

13542888861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11486896 (or 11486893 counting only the distinct ones).

The product of its digits is 2949120, while the sum is 54.

The spelling of 13542888861 in words is "thirteen billion, five hundred forty-two million, eight hundred eighty-eight thousand, eight hundred sixty-one".