1000001111783 has 2 divisors, whose sum is σ = 1000001111784. Its totient is φ = 1000001111782.

The previous prime is 1000001111743. The next prime is 1000001111839. The reversal of 1000001111783 is 3871111000001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1000001111783 - 2¹² = 1000001107687 is a prime.

It is a super-2 number, since 2×1000001111783² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000001111743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500000555891 + 500000555892.

It is an arithmetic number, because the mean of its divisors is an integer number (500000555892).

Almost surely, 2^{1000001111783} is an apocalyptic number.

1000001111783 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000001111783 is an equidigital number, since it uses as much as digits as its factorization.

1000001111783 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 23.

Adding to 1000001111783 its reverse (3871111000001), we get a palindrome (4871112111784).

The spelling of 1000001111783 in words is "one trillion, one million, one hundred eleven thousand, seven hundred eighty-three".