11555331332 has 12 divisors (see below), whose sum is σ = 20222593356. Its totient is φ = 5777447520.

The previous prime is 11555331331. The next prime is 11555331371. The reversal of 11555331332 is 23313355511.

It can be written as a sum of positive squares in 2 ways, for example, as 6692221636 + 4863109696 = 81806^2 + 69736^2 .

It is not an unprimeable number, because it can be changed into a prime (11555331331) 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, 149282 + ... + 213062.

It is an arithmetic number, because the mean of its divisors is an integer number (1685216113).

Almost surely, 2^11555331332 is an apocalyptic number.

It is an amenable number.

11555331332 is a deficient number, since it is larger than the sum of its proper divisors (8667262024).

11555331332 is a wasteful number, since it uses less digits than its factorization.

11555331332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109078 (or 109076 counting only the distinct ones).

The product of its digits is 20250, while the sum is 32.

Adding to 11555331332 its reverse (23313355511), we get a palindrome (34868686843).

The spelling of 11555331332 in words is "eleven billion, five hundred fifty-five million, three hundred thirty-one thousand, three hundred thirty-two".