12553126780 has 12 divisors (see below), whose sum is σ = 26361566280. Its totient is φ = 5021250704.

The previous prime is 12553126759. The next prime is 12553126787. The reversal of 12553126780 is 8762135521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12553126787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 313828150 + ... + 313828189.

It is an arithmetic number, because the mean of its divisors is an integer number (2196797190).

Almost surely, 2^12553126780 is an apocalyptic number.

12553126780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12553126780 is an abundant number, since it is smaller than the sum of its proper divisors (13808439500).

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

12553126780 is a wasteful number, since it uses less digits than its factorization.

12553126780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627656348 (or 627656346 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 40.

The spelling of 12553126780 in words is "twelve billion, five hundred fifty-three million, one hundred twenty-six thousand, seven hundred eighty".