11315420135122 has 24 divisors (see below), whose sum is σ = 17160540948900. Its totient is φ = 5595913797120.

The previous prime is 11315420135111. The next prime is 11315420135141. The reversal of 11315420135122 is 22153102451311.

It can be written as a sum of positive squares in 6 ways, for example, as 9725422710721 + 1589997424401 = 3118561^2 + 1260951^2 .

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 30318504 + ... + 30689452.

Almost surely, 2^{11315420135122} is an apocalyptic number.

11315420135122 is a deficient number, since it is larger than the sum of its proper divisors (5845120813778).

11315420135122 is an equidigital number, since it uses as much as digits as its factorization.

11315420135122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372766 (or 372669 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

Adding to 11315420135122 its reverse (22153102451311), we get a palindrome (33468522586433).

The spelling of 11315420135122 in words is "eleven trillion, three hundred fifteen billion, four hundred twenty million, one hundred thirty-five thousand, one hundred twenty-two".