11215211132 has 6 divisors (see below), whose sum is σ = 19626619488. Its totient is φ = 5607605564.

The previous prime is 11215211131. The next prime is 11215211167. The reversal of 11215211132 is 23111251211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11215211131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1401901388 + ... + 1401901395.

It is an arithmetic number, because the mean of its divisors is an integer number (3271103248).

Almost surely, 2^11215211132 is an apocalyptic number.

It is an amenable number.

11215211132 is a deficient number, since it is larger than the sum of its proper divisors (8411408356).

11215211132 is a wasteful number, since it uses less digits than its factorization.

11215211132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2803802787 (or 2803802785 counting only the distinct ones).

The product of its digits is 120, while the sum is 20.

Adding to 11215211132 its reverse (23111251211), we get a palindrome (34326462343).

The spelling of 11215211132 in words is "eleven billion, two hundred fifteen million, two hundred eleven thousand, one hundred thirty-two".