1313552111045 has 8 divisors (see below), whose sum is σ = 1590211759896. Its totient is φ = 1041542204416.

The previous prime is 1313552111021. The next prime is 1313552111071. The reversal of 1313552111045 is 5401112553131.

It can be written as a sum of positive squares in 4 ways, for example, as 37413617476 + 1276138493569 = 193426^2 + 1129663^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1313552111045 - 2¹⁴ = 1313552094661 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1162434932 + ... + 1162436061.

It is an arithmetic number, because the mean of its divisors is an integer number (198776469987).

Almost surely, 2^{1313552111045} is an apocalyptic number.

It is an amenable number.

1313552111045 is a deficient number, since it is larger than the sum of its proper divisors (276659648851).

1313552111045 is a wasteful number, since it uses less digits than its factorization.

1313552111045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2324871111.

The product of its (nonzero) digits is 9000, while the sum is 32.

Adding to 1313552111045 its reverse (5401112553131), we get a palindrome (6714664664176).

The spelling of 1313552111045 in words is "one trillion, three hundred thirteen billion, five hundred fifty-two million, one hundred eleven thousand, forty-five".