12550800501 has 8 divisors (see below), whose sum is σ = 18593778560. Its totient is φ = 8367200316.

The previous prime is 12550800499. The next prime is 12550800541. The reversal of 12550800501 is 10500805521.

It is not a de Polignac number, because 12550800501 - 2¹ = 12550800499 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 464844463 = 12550800501 / (1 + 2 + 5 + 5 + 0 + 8 + 0 + 0 + 5 + 0 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12550800541) 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, 232422205 + ... + 232422258.

It is an arithmetic number, because the mean of its divisors is an integer number (2324222320).

Almost surely, 2^12550800501 is an apocalyptic number.

It is an amenable number.

12550800501 is a deficient number, since it is larger than the sum of its proper divisors (6042978059).

12550800501 is an equidigital number, since it uses as much as digits as its factorization.

12550800501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464844472 (or 464844466 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 27.

The spelling of 12550800501 in words is "twelve billion, five hundred fifty million, eight hundred thousand, five hundred one".