11121532372135 has 16 divisors (see below), whose sum is σ = 13926274914816. Its totient is φ = 8510278641568.

The previous prime is 11121532372123. The next prime is 11121532372187. The reversal of 11121532372135 is 53127323512111.

It is a cyclic number.

It is not a de Polignac number, because 11121532372135 - 2⁵ = 11121532372103 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11121532372094 and 11121532372103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8804502 + ... + 9988108.

It is an arithmetic number, because the mean of its divisors is an integer number (870392182176).

Almost surely, 2^{11121532372135} is an apocalyptic number.

11121532372135 is a deficient number, since it is larger than the sum of its proper divisors (2804742542681).

11121532372135 is a wasteful number, since it uses less digits than its factorization.

11121532372135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1265342.

The product of its digits is 37800, while the sum is 37.

Adding to 11121532372135 its reverse (53127323512111), we get a palindrome (64248855884246).

The spelling of 11121532372135 in words is "eleven trillion, one hundred twenty-one billion, five hundred thirty-two million, three hundred seventy-two thousand, one hundred thirty-five".