12517155017516 has 12 divisors (see below), whose sum is σ = 21931508615688. Its totient is φ = 6251009698752.

The previous prime is 12517155017501. The next prime is 12517155017527. The reversal of 12517155017516 is 61571055171521.

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 3 ways as a sum of consecutive naturals, for example, 1891948781 + ... + 1891955396.

It is an arithmetic number, because the mean of its divisors is an integer number (1827625717974).

Almost surely, 2^{12517155017516} is an apocalyptic number.

It is an amenable number.

12517155017516 is a deficient number, since it is larger than the sum of its proper divisors (9414353598172).

12517155017516 is a wasteful number, since it uses less digits than its factorization.

12517155017516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3783905008 (or 3783905006 counting only the distinct ones).

The product of its (nonzero) digits is 367500, while the sum is 47.

The spelling of 12517155017516 in words is "twelve trillion, five hundred seventeen billion, one hundred fifty-five million, seventeen thousand, five hundred sixteen".