1345726161279 has 8 divisors (see below), whose sum is σ = 1993668387120. Its totient is φ = 897150774168.

The previous prime is 1345726161251. The next prime is 1345726161287. The reversal of 1345726161279 is 9721616275431.

1345726161279 is a `hidden beast` number, since 1 + 3 + 4 + 5 + 7 + 2 + 616 + 12 + 7 + 9 = 666.

It is not a de Polignac number, because 1345726161279 - 2²⁵ = 1345692606847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345726161209) 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 7 ways as a sum of consecutive naturals, for example, 24920854812 + ... + 24920854865.

It is an arithmetic number, because the mean of its divisors is an integer number (249208548390).

Almost surely, 2^{1345726161279} is an apocalyptic number.

1345726161279 is a deficient number, since it is larger than the sum of its proper divisors (647942225841).

1345726161279 is an equidigital number, since it uses as much as digits as its factorization.

1345726161279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49841709686 (or 49841709680 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 54.

The spelling of 1345726161279 in words is "one trillion, three hundred forty-five billion, seven hundred twenty-six million, one hundred sixty-one thousand, two hundred seventy-nine".