12634571010915 has 48 divisors (see below), whose sum is σ = 25078641120000. Its totient is φ = 5764229061696.

The previous prime is 12634571010911. The next prime is 12634571010923. The reversal of 12634571010915 is 51901017543621.

12634571010915 is a `hidden beast` number, since 1 + 2 + 6 + 3 + 457 + 101 + 0 + 91 + 5 = 666.

It is not a de Polignac number, because 12634571010915 - 2² = 12634571010911 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (12634571010911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 40032945 + ... + 40347314.

It is an arithmetic number, because the mean of its divisors is an integer number (522471690000).

Almost surely, 2^{12634571010915} is an apocalyptic number.

12634571010915 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12634571010915 is a deficient number, since it is larger than the sum of its proper divisors (12444070109085).

12634571010915 is a wasteful number, since it uses less digits than its factorization.

12634571010915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80380776 (or 80380773 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 45.

The spelling of 12634571010915 in words is "twelve trillion, six hundred thirty-four billion, five hundred seventy-one million, ten thousand, nine hundred fifteen".