1315224111401 has 4 divisors (see below), whose sum is σ = 1315333899204. Its totient is φ = 1315114323600.

The previous prime is 1315224111361. The next prime is 1315224111433. The reversal of 1315224111401 is 1041114225131.

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 954335563801 + 360888547600 = 976901^2 + 600740^2 .

It is a cyclic number.

It is not a de Polignac number, because 1315224111401 - 2²² = 1315219917097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1315224111491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54875930 + ... + 54899891.

It is an arithmetic number, because the mean of its divisors is an integer number (328833474801).

Almost surely, 2^{1315224111401} is an apocalyptic number.

It is an amenable number.

1315224111401 is a deficient number, since it is larger than the sum of its proper divisors (109787803).

1315224111401 is a wasteful number, since it uses less digits than its factorization.

1315224111401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109787802.

The product of its (nonzero) digits is 960, while the sum is 26.

Adding to 1315224111401 its reverse (1041114225131), we get a palindrome (2356338336532).

The spelling of 1315224111401 in words is "one trillion, three hundred fifteen billion, two hundred twenty-four million, one hundred eleven thousand, four hundred one".