11822720827 has 2 divisors, whose sum is σ = 11822720828. Its totient is φ = 11822720826.

The previous prime is 11822720813. The next prime is 11822720837. The reversal of 11822720827 is 72802722811.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11822720827 - 2¹¹ = 11822718779 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11822720827.

It is not a weakly prime, because it can be changed into another prime (11822720807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5911360413 + 5911360414.

It is an arithmetic number, because the mean of its divisors is an integer number (5911360414).

Almost surely, 2^11822720827 is an apocalyptic number.

11822720827 is a deficient number, since it is larger than the sum of its proper divisors (1).

11822720827 is an equidigital number, since it uses as much as digits as its factorization.

11822720827 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50176, while the sum is 40.

The spelling of 11822720827 in words is "eleven billion, eight hundred twenty-two million, seven hundred twenty thousand, eight hundred twenty-seven".