1040204512111 has 2 divisors, whose sum is σ = 1040204512112. Its totient is φ = 1040204512110.

The previous prime is 1040204512069. The next prime is 1040204512163. The reversal of 1040204512111 is 1112154020401.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1040204512111 - 2²⁷ = 1040070294383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1040204512211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520102256055 + 520102256056.

It is an arithmetic number, because the mean of its divisors is an integer number (520102256056).

Almost surely, 2^{1040204512111} is an apocalyptic number.

1040204512111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040204512111 is an equidigital number, since it uses as much as digits as its factorization.

1040204512111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 320, while the sum is 22.

Adding to 1040204512111 its reverse (1112154020401), we get a palindrome (2152358532512).

The spelling of 1040204512111 in words is "one trillion, forty billion, two hundred four million, five hundred twelve thousand, one hundred eleven".