1316026544045 has 4 divisors (see below), whose sum is σ = 1579231852860. Its totient is φ = 1052821235232.

The previous prime is 1316026544011. The next prime is 1316026544047. The reversal of 1316026544045 is 5404456206131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 262305816964 + 1053720727081 = 512158^2 + 1026509^2 .

It is a cyclic number.

It is not a de Polignac number, because 1316026544045 - 2¹⁶ = 1316026478509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1316026543993 and 1316026544011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1316026544047) 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 3 ways as a sum of consecutive naturals, for example, 131602654400 + ... + 131602654409.

It is an arithmetic number, because the mean of its divisors is an integer number (394807963215).

Almost surely, 2^{1316026544045} is an apocalyptic number.

It is an amenable number.

1316026544045 is a deficient number, since it is larger than the sum of its proper divisors (263205308815).

1316026544045 is an equidigital number, since it uses as much as digits as its factorization.

1316026544045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263205308814.

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 1316026544045 in words is "one trillion, three hundred sixteen billion, twenty-six million, five hundred forty-four thousand, forty-five".