12504553455 has 8 divisors (see below), whose sum is σ = 20007285552. Its totient is φ = 6669095168.

The previous prime is 12504553361. The next prime is 12504553459. The reversal of 12504553455 is 55435540521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12504553455 - 2¹⁷ = 12504422383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12504553459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 416818434 + ... + 416818463.

It is an arithmetic number, because the mean of its divisors is an integer number (2500910694).

Almost surely, 2^12504553455 is an apocalyptic number.

12504553455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12504553455 is a deficient number, since it is larger than the sum of its proper divisors (7502732097).

12504553455 is an equidigital number, since it uses as much as digits as its factorization.

12504553455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833636905.

The product of its (nonzero) digits is 300000, while the sum is 39.

The spelling of 12504553455 in words is "twelve billion, five hundred four million, five hundred fifty-three thousand, four hundred fifty-five".