1311410165503 has 2 divisors, whose sum is σ = 1311410165504. Its totient is φ = 1311410165502.

The previous prime is 1311410165501. The next prime is 1311410165581. The reversal of 1311410165503 is 3055610141131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1311410165503 - 2¹ = 1311410165501 is a prime.

Together with 1311410165501, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1311410165501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655705082751 + 655705082752.

It is an arithmetic number, because the mean of its divisors is an integer number (655705082752).

Almost surely, 2^{1311410165503} is an apocalyptic number.

1311410165503 is a deficient number, since it is larger than the sum of its proper divisors (1).

1311410165503 is an equidigital number, since it uses as much as digits as its factorization.

1311410165503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 31.

The spelling of 1311410165503 in words is "one trillion, three hundred eleven billion, four hundred ten million, one hundred sixty-five thousand, five hundred three".