1311050561419 has 2 divisors, whose sum is σ = 1311050561420. Its totient is φ = 1311050561418.

The previous prime is 1311050561411. The next prime is 1311050561461. The reversal of 1311050561419 is 9141650501131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1311050561419 - 2³ = 1311050561411 is a prime.

It is a super-2 number, since 2×1311050561419² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1311050561411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655525280709 + 655525280710.

It is an arithmetic number, because the mean of its divisors is an integer number (655525280710).

Almost surely, 2^{1311050561419} is an apocalyptic number.

1311050561419 is a deficient number, since it is larger than the sum of its proper divisors (1).

1311050561419 is an equidigital number, since it uses as much as digits as its factorization.

1311050561419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16200, while the sum is 37.

The spelling of 1311050561419 in words is "one trillion, three hundred eleven billion, fifty million, five hundred sixty-one thousand, four hundred nineteen".