12386527811 has 16 divisors (see below), whose sum is σ = 15143276736. Its totient is φ = 9889468416.

The previous prime is 12386527759. The next prime is 12386527831. The reversal of 12386527811 is 11872568321.

It is a cyclic number.

It is not a de Polignac number, because 12386527811 - 2¹⁰ = 12386526787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12386527831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 524996 + ... + 548081.

It is an arithmetic number, because the mean of its divisors is an integer number (946454796).

Almost surely, 2^12386527811 is an apocalyptic number.

12386527811 is a deficient number, since it is larger than the sum of its proper divisors (2756748925).

12386527811 is a wasteful number, since it uses less digits than its factorization.

12386527811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1073198.

The product of its digits is 161280, while the sum is 44.

The spelling of 12386527811 in words is "twelve billion, three hundred eighty-six million, five hundred twenty-seven thousand, eight hundred eleven".