11155412132 has 12 divisors (see below), whose sum is σ = 19530065100. Its totient is φ = 5575393536.

The previous prime is 11155412131. The next prime is 11155412173. The reversal of 11155412132 is 23121455111.

It can be written as a sum of positive squares in 2 ways, for example, as 10762817536 + 392594596 = 103744^2 + 19814^2 .

It is not an unprimeable number, because it can be changed into a prime (11155412131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 567257 + ... + 586592.

It is an arithmetic number, because the mean of its divisors is an integer number (1627505425).

Almost surely, 2^11155412132 is an apocalyptic number.

It is an amenable number.

11155412132 is a deficient number, since it is larger than the sum of its proper divisors (8374652968).

11155412132 is a wasteful number, since it uses less digits than its factorization.

11155412132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156270 (or 1156268 counting only the distinct ones).

The product of its digits is 1200, while the sum is 26.

Adding to 11155412132 its reverse (23121455111), we get a palindrome (34276867243).

The spelling of 11155412132 in words is "eleven billion, one hundred fifty-five million, four hundred twelve thousand, one hundred thirty-two".