12606548550 has 24 divisors (see below), whose sum is σ = 31264240776. Its totient is φ = 3361746240.

The previous prime is 12606548533. The next prime is 12606548551. The reversal of 12606548550 is 5584560621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12606548551) 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, 42021679 + ... + 42021978.

It is an arithmetic number, because the mean of its divisors is an integer number (1302676699).

Almost surely, 2^12606548550 is an apocalyptic number.

12606548550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12606548550 is an abundant number, since it is smaller than the sum of its proper divisors (18657692226).

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

12606548550 is a wasteful number, since it uses less digits than its factorization.

12606548550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84043672 (or 84043667 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 42.

The spelling of 12606548550 in words is "twelve billion, six hundred six million, five hundred forty-eight thousand, five hundred fifty".