12484845525 has 24 divisors (see below), whose sum is σ = 20663525664. Its totient is φ = 6651515200.

The previous prime is 12484845521. The next prime is 12484845547. The reversal of 12484845525 is 52554848421.

It is not a de Polignac number, because 12484845525 - 2² = 12484845521 is a prime.

It is a super-2 number, since 2×12484845525² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12484845521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16866 + ... + 158915.

It is an arithmetic number, because the mean of its divisors is an integer number (860980236).

Almost surely, 2^12484845525 is an apocalyptic number.

12484845525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12484845525 is a deficient number, since it is larger than the sum of its proper divisors (8178680139).

12484845525 is a wasteful number, since it uses less digits than its factorization.

12484845525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176741 (or 176736 counting only the distinct ones).

The product of its digits is 2048000, while the sum is 48.

The spelling of 12484845525 in words is "twelve billion, four hundred eighty-four million, eight hundred forty-five thousand, five hundred twenty-five".