12625513554719 has 16 divisors (see below), whose sum is σ = 13606689900384. Its totient is φ = 11645765040000.

The previous prime is 12625513554677. The next prime is 12625513554727. The reversal of 12625513554719 is 91745531552621.

It is a happy number.

It is not a de Polignac number, because 12625513554719 - 2²⁰ = 12625512506143 is a prime.

It is a super-2 number, since 2×12625513554719² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12625513554779) 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 15 ways as a sum of consecutive naturals, for example, 215972444 + ... + 216030894.

It is an arithmetic number, because the mean of its divisors is an integer number (850418118774).

Almost surely, 2^{12625513554719} is an apocalyptic number.

12625513554719 is a deficient number, since it is larger than the sum of its proper divisors (981176345665).

12625513554719 is a wasteful number, since it uses less digits than its factorization.

12625513554719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70378.

The product of its digits is 11340000, while the sum is 56.

The spelling of 12625513554719 in words is "twelve trillion, six hundred twenty-five billion, five hundred thirteen million, five hundred fifty-four thousand, seven hundred nineteen".