12862011809517 has 16 divisors (see below), whose sum is σ = 18521448220800. Its totient is φ = 7892404857792.

The previous prime is 12862011809461. The next prime is 12862011809519. The reversal of 12862011809517 is 71590811026821.

It is a happy number.

It is not a de Polignac number, because 12862011809517 - 2⁷ = 12862011809389 is a prime.

It is a super-3 number, since 3×12862011809517³ (a number of 40 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12862011809517.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12862011809519) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 472472313 + ... + 472499534.

It is an arithmetic number, because the mean of its divisors is an integer number (1157590513800).

Almost surely, 2^{12862011809517} is an apocalyptic number.

It is an amenable number.

12862011809517 is a deficient number, since it is larger than the sum of its proper divisors (5659436411283).

12862011809517 is a wasteful number, since it uses less digits than its factorization.

12862011809517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 944972212.

The product of its (nonzero) digits is 483840, while the sum is 51.

The spelling of 12862011809517 in words is "twelve trillion, eight hundred sixty-two billion, eleven million, eight hundred nine thousand, five hundred seventeen".