12541380500550 has 48 divisors (see below), whose sum is σ = 33930134885952. Its totient is φ = 3040334666400.

The previous prime is 12541380500531. The next prime is 12541380500567. The reversal of 12541380500550 is 5500508314521.

It is a junction number, because it is equal to n+sod(n) for n = 12541380500499 and 12541380500508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3800416684 + ... + 3800419983.

It is an arithmetic number, because the mean of its divisors is an integer number (706877810124).

Almost surely, 2^{12541380500550} is an apocalyptic number.

12541380500550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12541380500550 is an abundant number, since it is smaller than the sum of its proper divisors (21388754385402).

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

12541380500550 is a wasteful number, since it uses less digits than its factorization.

12541380500550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7600836693 (or 7600836688 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 39.

The spelling of 12541380500550 in words is "twelve trillion, five hundred forty-one billion, three hundred eighty million, five hundred thousand, five hundred fifty".