12552615102505 has 16 divisors (see below), whose sum is σ = 15201681960960. Its totient is φ = 9949733765568.

The previous prime is 12552615102499. The next prime is 12552615102527. The reversal of 12552615102505 is 50520151625521.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-12552615102505 is a prime.

It is a super-2 number, since 2×12552615102505² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 25778724 + ... + 26261146.

It is an arithmetic number, because the mean of its divisors is an integer number (950105122560).

Almost surely, 2^{12552615102505} is an apocalyptic number.

It is an amenable number.

12552615102505 is a deficient number, since it is larger than the sum of its proper divisors (2649066858455).

12552615102505 is a wasteful number, since it uses less digits than its factorization.

12552615102505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530280.

The product of its (nonzero) digits is 150000, while the sum is 40.

The spelling of 12552615102505 in words is "twelve trillion, five hundred fifty-two billion, six hundred fifteen million, one hundred two thousand, five hundred five".