11213135727 has 32 divisors (see below), whose sum is σ = 15403461120. Its totient is φ = 7253452800.

The previous prime is 11213135707. The next prime is 11213135729. The reversal of 11213135727 is 72753131211.

It is not a de Polignac number, because 11213135727 - 2²⁰ = 11212087151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11213135729) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3536799 + ... + 3539967.

It is an arithmetic number, because the mean of its divisors is an integer number (481358160).

Almost surely, 2^11213135727 is an apocalyptic number.

11213135727 is a deficient number, since it is larger than the sum of its proper divisors (4190325393).

11213135727 is a wasteful number, since it uses less digits than its factorization.

11213135727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3503.

The product of its digits is 8820, while the sum is 33.

Adding to 11213135727 its reverse (72753131211), we get a palindrome (83966266938).

The spelling of 11213135727 in words is "eleven billion, two hundred thirteen million, one hundred thirty-five thousand, seven hundred twenty-seven".