12650050551 has 4 divisors (see below), whose sum is σ = 16866734072. Its totient is φ = 8433367032.

The previous prime is 12650050549. The next prime is 12650050597. The reversal of 12650050551 is 15505005621.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12650050551 - 2¹ = 12650050549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12650050051) 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, 2108341756 + ... + 2108341761.

It is an arithmetic number, because the mean of its divisors is an integer number (4216683518).

Almost surely, 2^12650050551 is an apocalyptic number.

12650050551 is a deficient number, since it is larger than the sum of its proper divisors (4216683521).

12650050551 is an equidigital number, since it uses as much as digits as its factorization.

12650050551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4216683520.

The product of its (nonzero) digits is 7500, while the sum is 30.

The spelling of 12650050551 in words is "twelve billion, six hundred fifty million, fifty thousand, five hundred fifty-one".