1211104412263 has 2 divisors, whose sum is σ = 1211104412264. Its totient is φ = 1211104412262.

The previous prime is 1211104412257. The next prime is 1211104412269. The reversal of 1211104412263 is 3622144011121.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (1211104412257) and next prime (1211104412269).

It is a cyclic number.

It is not a de Polignac number, because 1211104412263 - 2¹³ = 1211104404071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1211104412269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605552206131 + 605552206132.

It is an arithmetic number, because the mean of its divisors is an integer number (605552206132).

Almost surely, 2^{1211104412263} is an apocalyptic number.

1211104412263 is a deficient number, since it is larger than the sum of its proper divisors (1).

1211104412263 is an equidigital number, since it uses as much as digits as its factorization.

1211104412263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 28.

Adding to 1211104412263 its reverse (3622144011121), we get a palindrome (4833248423384).

The spelling of 1211104412263 in words is "one trillion, two hundred eleven billion, one hundred four million, four hundred twelve thousand, two hundred sixty-three".