12615551841136 has 40 divisors (see below), whose sum is σ = 24483275251344. Its totient is φ = 6297295388160.

The previous prime is 12615551841121. The next prime is 12615551841157. The reversal of 12615551841136 is 63114815551621.

It is a self number, because there is not a number n which added to its sum of digits gives 12615551841136.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24708271 + ... + 25213681.

Almost surely, 2^{12615551841136} is an apocalyptic number.

12615551841136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12615551841136 is a deficient number, since it is larger than the sum of its proper divisors (11867723410208).

12615551841136 is a wasteful number, since it uses less digits than its factorization.

12615551841136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508009 (or 508003 counting only the distinct ones).

The product of its digits is 864000, while the sum is 49.

The spelling of 12615551841136 in words is "twelve trillion, six hundred fifteen billion, five hundred fifty-one million, eight hundred forty-one thousand, one hundred thirty-six".