1111431402247 has 2 divisors, whose sum is σ = 1111431402248. Its totient is φ = 1111431402246.

The previous prime is 1111431402203. The next prime is 1111431402271. The reversal of 1111431402247 is 7422041341111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1111431402247 - 2¹⁵ = 1111431369479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111431402287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555715701123 + 555715701124.

It is an arithmetic number, because the mean of its divisors is an integer number (555715701124).

Almost surely, 2^{1111431402247} is an apocalyptic number.

1111431402247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111431402247 is an equidigital number, since it uses as much as digits as its factorization.

1111431402247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 31.

Adding to 1111431402247 its reverse (7422041341111), we get a palindrome (8533472743358).

The spelling of 1111431402247 in words is "one trillion, one hundred eleven billion, four hundred thirty-one million, four hundred two thousand, two hundred forty-seven".