11101312132 has 6 divisors (see below), whose sum is σ = 19427296238. Its totient is φ = 5550656064.

The previous prime is 11101312129. The next prime is 11101312177. The reversal of 11101312132 is 23121310111.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 9875191876 + 1226120256 = 99374^2 + 35016^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1387664013 + ... + 1387664020.

Almost surely, 2^11101312132 is an apocalyptic number.

It is an amenable number.

11101312132 is a deficient number, since it is larger than the sum of its proper divisors (8325984106).

11101312132 is a wasteful number, since it uses less digits than its factorization.

11101312132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2775328037 (or 2775328035 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 11101312132 its reverse (23121310111), we get a palindrome (34222622243).

The spelling of 11101312132 in words is "eleven billion, one hundred one million, three hundred twelve thousand, one hundred thirty-two".