1263412836105 has 32 divisors (see below), whose sum is σ = 2311360856064. Its totient is φ = 577280093376.

The previous prime is 1263412836089. The next prime is 1263412836121. The reversal of 1263412836105 is 5016382143621.

It is an interprime number because it is at equal distance from previous prime (1263412836089) and next prime (1263412836121).

It is not a de Polignac number, because 1263412836105 - 2⁴ = 1263412836089 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2699649 + ... + 3132878.

It is an arithmetic number, because the mean of its divisors is an integer number (72230026752).

Almost surely, 2^{1263412836105} is an apocalyptic number.

1263412836105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1263412836105 is a deficient number, since it is larger than the sum of its proper divisors (1047948019959).

1263412836105 is a wasteful number, since it uses less digits than its factorization.

1263412836105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5834605.

The product of its (nonzero) digits is 207360, while the sum is 42.

Adding to 1263412836105 its reverse (5016382143621), we get a palindrome (6279794979726).

The spelling of 1263412836105 in words is "one trillion, two hundred sixty-three billion, four hundred twelve million, eight hundred thirty-six thousand, one hundred five".