12486077565 has 16 divisors (see below), whose sum is σ = 21514472448. Its totient is φ = 6146991936.

The previous prime is 12486077543. The next prime is 12486077599. The reversal of 12486077565 is 56577068421.

It is not a de Polignac number, because 12486077565 - 2⁶ = 12486077501 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 32015389 + ... + 32015778.

It is an arithmetic number, because the mean of its divisors is an integer number (1344654528).

Almost surely, 2^12486077565 is an apocalyptic number.

12486077565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12486077565 is a deficient number, since it is larger than the sum of its proper divisors (9028394883).

12486077565 is a wasteful number, since it uses less digits than its factorization.

12486077565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64031188.

The product of its (nonzero) digits is 2822400, while the sum is 51.

The spelling of 12486077565 in words is "twelve billion, four hundred eighty-six million, seventy-seven thousand, five hundred sixty-five".