12711471782715 has 96 divisors (see below), whose sum is σ = 23218679337984. Its totient is φ = 6420550752000.

The previous prime is 12711471782693. The next prime is 12711471782717. The reversal of 12711471782715 is 51728717411721.

12711471782715 is a `hidden beast` number, since 1 + 2 + 71 + 1 + 471 + 78 + 27 + 15 = 666.

It is not a de Polignac number, because 12711471782715 - 2⁷ = 12711471782587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12711471782717) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1037580340 + ... + 1037592590.

It is an arithmetic number, because the mean of its divisors is an integer number (241861243104).

Almost surely, 2^{12711471782715} is an apocalyptic number.

12711471782715 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12711471782715 is a deficient number, since it is larger than the sum of its proper divisors (10507207555269).

12711471782715 is a wasteful number, since it uses less digits than its factorization.

12711471782715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22121 (or 22118 counting only the distinct ones).

The product of its digits is 1536640, while the sum is 54.

The spelling of 12711471782715 in words is "twelve trillion, seven hundred eleven billion, four hundred seventy-one million, seven hundred eighty-two thousand, seven hundred fifteen".