12887694155 has 8 divisors (see below), whose sum is σ = 17674552032. Its totient is φ = 8837275968.

The previous prime is 12887694137. The next prime is 12887694161. The reversal of 12887694155 is 55149678821.

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

It is a cyclic number.

It is not a de Polignac number, because 12887694155 - 2⁸ = 12887693899 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12887694155.

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, 184109882 + ... + 184109951.

It is an arithmetic number, because the mean of its divisors is an integer number (2209319004).

Almost surely, 2^12887694155 is an apocalyptic number.

12887694155 is a deficient number, since it is larger than the sum of its proper divisors (4786857877).

12887694155 is an equidigital number, since it uses as much as digits as its factorization.

12887694155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368219845.

The product of its digits is 4838400, while the sum is 56.

The spelling of 12887694155 in words is "twelve billion, eight hundred eighty-seven million, six hundred ninety-four thousand, one hundred fifty-five".