1005840503111 has 2 divisors, whose sum is σ = 1005840503112. Its totient is φ = 1005840503110.

The previous prime is 1005840503053. The next prime is 1005840503119. The reversal of 1005840503111 is 1113050485001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1005840503111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1005840503119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502920251555 + 502920251556.

It is an arithmetic number, because the mean of its divisors is an integer number (502920251556).

Almost surely, 2^{1005840503111} is an apocalyptic number.

1005840503111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1005840503111 is an equidigital number, since it uses as much as digits as its factorization.

1005840503111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 29.

Adding to 1005840503111 its reverse (1113050485001), we get a palindrome (2118890988112).

The spelling of 1005840503111 in words is "one trillion, five billion, eight hundred forty million, five hundred three thousand, one hundred eleven".