13542663538678 has 8 divisors (see below), whose sum is σ = 20592269216568. Its totient is φ = 6678573799824.

The previous prime is 13542663538633. The next prime is 13542663538687. The reversal of 13542663538678 is 87683536624531.

It is a happy number.

13542663538678 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 46378984576 + ... + 46378984867.

It is an arithmetic number, because the mean of its divisors is an integer number (2574033652071).

Almost surely, 2^{13542663538678} is an apocalyptic number.

13542663538678 is a deficient number, since it is larger than the sum of its proper divisors (7049605677890).

13542663538678 is an equidigital number, since it uses as much as digits as its factorization.

13542663538678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92757969518.

The product of its digits is 522547200, while the sum is 67.

It can be divided in two parts, 1354266 and 3538678, that added together give a square (4892944 = 2212²).

The spelling of 13542663538678 in words is "thirteen trillion, five hundred forty-two billion, six hundred sixty-three million, five hundred thirty-eight thousand, six hundred seventy-eight".