13542215348651 has 8 divisors (see below), whose sum is σ = 14773358453808. Its totient is φ = 12311077680000.

The previous prime is 13542215348639. The next prime is 13542215348659. The reversal of 13542215348651 is 15684351224531.

It is a happy number.

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

It is not a de Polignac number, because 13542215348651 - 2²² = 13542211154347 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13542215348651.

It is not an unprimeable number, because it can be changed into a prime (13542215348659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5244191 + ... + 7388231.

It is an arithmetic number, because the mean of its divisors is an integer number (1846669806726).

Almost surely, 2^{13542215348651} is an apocalyptic number.

13542215348651 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13542215348651 is a deficient number, since it is larger than the sum of its proper divisors (1231143105157).

13542215348651 is a wasteful number, since it uses less digits than its factorization.

13542215348651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2718253.

The product of its digits is 3456000, while the sum is 50.

The spelling of 13542215348651 in words is "thirteen trillion, five hundred forty-two billion, two hundred fifteen million, three hundred forty-eight thousand, six hundred fifty-one".