12518898513 has 16 divisors (see below), whose sum is σ = 18242991552. Its totient is φ = 7573176000.

The previous prime is 12518898397. The next prime is 12518898559. The reversal of 12518898513 is 31589881521.

It is not a de Polignac number, because 12518898513 - 2¹⁸ = 12518636369 is a prime.

It is a super-2 number, since 2×12518898513² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12518898013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 332758 + ... + 368463.

It is an arithmetic number, because the mean of its divisors is an integer number (1140186972).

Almost surely, 2^12518898513 is an apocalyptic number.

It is an amenable number.

12518898513 is a deficient number, since it is larger than the sum of its proper divisors (5724093039).

12518898513 is a wasteful number, since it uses less digits than its factorization.

12518898513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701776.

The product of its digits is 691200, while the sum is 51.

The spelling of 12518898513 in words is "twelve billion, five hundred eighteen million, eight hundred ninety-eight thousand, five hundred thirteen".