12554660545 has 8 divisors (see below), whose sum is σ = 17217820224. Its totient is φ = 8608910064.

The previous prime is 12554660543. The next prime is 12554660549. The reversal of 12554660545 is 54506645521.

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 12554660545 - 2¹ = 12554660543 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12554660543) 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, 179352259 + ... + 179352328.

It is an arithmetic number, because the mean of its divisors is an integer number (2152227528).

Almost surely, 2^12554660545 is an apocalyptic number.

It is an amenable number.

12554660545 is a deficient number, since it is larger than the sum of its proper divisors (4663159679).

12554660545 is an equidigital number, since it uses as much as digits as its factorization.

12554660545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358704599.

The product of its (nonzero) digits is 720000, while the sum is 43.

The spelling of 12554660545 in words is "twelve billion, five hundred fifty-four million, six hundred sixty thousand, five hundred forty-five".