5250850811 has 4 divisors (see below), whose sum is σ = 5527211400. Its totient is φ = 4974490224.

The previous prime is 5250850807. The next prime is 5250850823. The reversal of 5250850811 is 1180580525.

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

It is a cyclic number.

It is not a de Polignac number, because 5250850811 - 2² = 5250850807 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5250850831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138180266 + ... + 138180303.

It is an arithmetic number, because the mean of its divisors is an integer number (1381802850).

Almost surely, 2^5250850811 is an apocalyptic number.

5250850811 is a deficient number, since it is larger than the sum of its proper divisors (276360589).

5250850811 is a wasteful number, since it uses less digits than its factorization.

5250850811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276360588.

The product of its (nonzero) digits is 16000, while the sum is 35.

The square root of 5250850811 is about 72462.7546467839. The cubic root of 5250850811 is about 1738.1072044102.

The spelling of 5250850811 in words is "five billion, two hundred fifty million, eight hundred fifty thousand, eight hundred eleven".