1311435025463 has 16 divisors (see below), whose sum is σ = 1382441244000. Its totient is φ = 1240627829760.

The previous prime is 1311435025457. The next prime is 1311435025471. The reversal of 1311435025463 is 3645205341131.

It is a cyclic number.

It is not a de Polignac number, because 1311435025463 - 2¹⁶ = 1311434959927 is a prime.

It is a super-2 number, since 2×1311435025463² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311435025403) 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 in 15 ways as a sum of consecutive naturals, for example, 135909263 + ... + 135918911.

It is an arithmetic number, because the mean of its divisors is an integer number (86402577750).

Almost surely, 2^{1311435025463} is an apocalyptic number.

1311435025463 is a deficient number, since it is larger than the sum of its proper divisors (71006218537).

1311435025463 is an equidigital number, since it uses as much as digits as its factorization.

1311435025463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19202.

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 1311435025463 in words is "one trillion, three hundred eleven billion, four hundred thirty-five million, twenty-five thousand, four hundred sixty-three".