11331131101247 has 2 divisors, whose sum is σ = 11331131101248. Its totient is φ = 11331131101246.

The previous prime is 11331131101219. The next prime is 11331131101271. The reversal of 11331131101247 is 74210113113311.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11331131101247 - 2¹² = 11331131097151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11331131109247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5665565550623 + 5665565550624.

It is an arithmetic number, because the mean of its divisors is an integer number (5665565550624).

Almost surely, 2^{11331131101247} is an apocalyptic number.

11331131101247 is a deficient number, since it is larger than the sum of its proper divisors (1).

11331131101247 is an equidigital number, since it uses as much as digits as its factorization.

11331131101247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 29.

Adding to 11331131101247 its reverse (74210113113311), we get a palindrome (85541244214558).

The spelling of 11331131101247 in words is "eleven trillion, three hundred thirty-one billion, one hundred thirty-one million, one hundred one thousand, two hundred forty-seven".