12541766485 has 16 divisors (see below), whose sum is σ = 15720368256. Its totient is φ = 9587464128.

The previous prime is 12541766483. The next prime is 12541766519. The reversal of 12541766485 is 58466714521.

It is a cyclic number.

It is not a de Polignac number, because 12541766485 - 2¹ = 12541766483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12541766483) 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, 59962 + ... + 169348.

It is an arithmetic number, because the mean of its divisors is an integer number (982523016).

Almost surely, 2^12541766485 is an apocalyptic number.

It is an amenable number.

12541766485 is a deficient number, since it is larger than the sum of its proper divisors (3178601771).

12541766485 is a wasteful number, since it uses less digits than its factorization.

12541766485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110412.

The product of its digits is 1612800, while the sum is 49.

The spelling of 12541766485 in words is "twelve billion, five hundred forty-one million, seven hundred sixty-six thousand, four hundred eighty-five".