12486011544 has 48 divisors (see below), whose sum is σ = 34687927800. Its totient is φ = 4161456432.

The previous prime is 12486011543. The next prime is 12486011563. The reversal of 12486011544 is 44511068421.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

12486011544 is a `hidden beast` number, since 1 + 2 + 4 + 8 + 601 + 1 + 5 + 44 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 12486011499 and 12486011508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12486011543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1638447 + ... + 1646049.

Almost surely, 2^12486011544 is an apocalyptic number.

It is an amenable number.

12486011544 is an abundant number, since it is smaller than the sum of its proper divisors (22201916256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12486011544 is an frugal number, since it uses more digits than its factorization.

12486011544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15221 (or 7608 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

Adding to 12486011544 its reverse (44511068421), we get a palindrome (56997079965).

The spelling of 12486011544 in words is "twelve billion, four hundred eighty-six million, eleven thousand, five hundred forty-four".