12542054616105 has 16 divisors (see below), whose sum is σ = 22934042726784. Its totient is φ = 5733510681600.

The previous prime is 12542054616089. The next prime is 12542054616127. The reversal of 12542054616105 is 50161645024521.

It is a happy number.

It is not a de Polignac number, because 12542054616105 - 2⁴ = 12542054616089 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59724069496 + ... + 59724069705.

It is an arithmetic number, because the mean of its divisors is an integer number (1433377670424).

Almost surely, 2^{12542054616105} is an apocalyptic number.

12542054616105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12542054616105 is a deficient number, since it is larger than the sum of its proper divisors (10391988110679).

12542054616105 is a wasteful number, since it uses less digits than its factorization.

12542054616105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119448139216.

The product of its (nonzero) digits is 288000, while the sum is 42.

The spelling of 12542054616105 in words is "twelve trillion, five hundred forty-two billion, fifty-four million, six hundred sixteen thousand, one hundred five".