12750064655 has 8 divisors (see below), whose sum is σ = 15309525984. Its totient is φ = 10193752800.

The previous prime is 12750064643. The next prime is 12750064673. The reversal of 12750064655 is 55646005721.

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

It is not a de Polignac number, because 12750064655 - 2¹² = 12750060559 is a prime.

It is a Duffinian number.

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, 778451 + ... + 794660.

It is an arithmetic number, because the mean of its divisors is an integer number (1913690748).

Almost surely, 2^12750064655 is an apocalyptic number.

12750064655 is a deficient number, since it is larger than the sum of its proper divisors (2559461329).

12750064655 is a wasteful number, since it uses less digits than its factorization.

12750064655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574737.

The product of its (nonzero) digits is 252000, while the sum is 41.

The spelling of 12750064655 in words is "twelve billion, seven hundred fifty million, sixty-four thousand, six hundred fifty-five".