11621352247 has 2 divisors, whose sum is σ = 11621352248. Its totient is φ = 11621352246.

The previous prime is 11621352233. The next prime is 11621352313. The reversal of 11621352247 is 74225312611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11621352247 - 2¹¹ = 11621350199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11621358247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5810676123 + 5810676124.

It is an arithmetic number, because the mean of its divisors is an integer number (5810676124).

Almost surely, 2^11621352247 is an apocalyptic number.

11621352247 is a deficient number, since it is larger than the sum of its proper divisors (1).

11621352247 is an equidigital number, since it uses as much as digits as its factorization.

11621352247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 34.

Adding to 11621352247 its reverse (74225312611), we get a palindrome (85846664858).

The spelling of 11621352247 in words is "eleven billion, six hundred twenty-one million, three hundred fifty-two thousand, two hundred forty-seven".