1316243541145 has 8 divisors (see below), whose sum is σ = 1700991653256. Its totient is φ = 971995230336.

The previous prime is 1316243541133. The next prime is 1316243541161. The reversal of 1316243541145 is 5411453426131.

It can be written as a sum of positive squares in 4 ways, for example, as 94803025801 + 1221440515344 = 307901^2 + 1105188^2 .

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

It is not a de Polignac number, because 1316243541145 - 2¹³ = 1316243532953 is a prime.

It is a super-2 number, since 2×1316243541145² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1316243541098 and 1316243541107.

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, 10124950252 + ... + 10124950381.

It is an arithmetic number, because the mean of its divisors is an integer number (212623956657).

Almost surely, 2^{1316243541145} is an apocalyptic number.

It is an amenable number.

1316243541145 is a deficient number, since it is larger than the sum of its proper divisors (384748112111).

1316243541145 is a wasteful number, since it uses less digits than its factorization.

1316243541145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20249900651.

The product of its digits is 172800, while the sum is 40.

Adding to 1316243541145 its reverse (5411453426131), we get a palindrome (6727696967276).

The spelling of 1316243541145 in words is "one trillion, three hundred sixteen billion, two hundred forty-three million, five hundred forty-one thousand, one hundred forty-five".