12471527517 has 16 divisors (see below), whose sum is σ = 17311693440. Its totient is φ = 7976509632.

The previous prime is 12471527483. The next prime is 12471527533. The reversal of 12471527517 is 71572517421.

It is not a de Polignac number, because 12471527517 - 2⁷ = 12471527389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12471527017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 442873 + ... + 470190.

It is an arithmetic number, because the mean of its divisors is an integer number (1081980840).

Almost surely, 2^12471527517 is an apocalyptic number.

It is an amenable number.

12471527517 is a deficient number, since it is larger than the sum of its proper divisors (4840165923).

12471527517 is a wasteful number, since it uses less digits than its factorization.

12471527517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913252.

The product of its digits is 137200, while the sum is 42.

The spelling of 12471527517 in words is "twelve billion, four hundred seventy-one million, five hundred twenty-seven thousand, five hundred seventeen".