12815641126 has 8 divisors (see below), whose sum is σ = 19230624000. Its totient is φ = 6405433128.

The previous prime is 12815641121. The next prime is 12815641127. The reversal of 12815641126 is 62114651821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12815641121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1187001 + ... + 1197748.

It is an arithmetic number, because the mean of its divisors is an integer number (2403828000).

Almost surely, 2^12815641126 is an apocalyptic number.

12815641126 is a deficient number, since it is larger than the sum of its proper divisors (6414982874).

12815641126 is a wasteful number, since it uses less digits than its factorization.

12815641126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2387438.

The product of its digits is 23040, while the sum is 37.

The spelling of 12815641126 in words is "twelve billion, eight hundred fifteen million, six hundred forty-one thousand, one hundred twenty-six".