11133033312 has 96 divisors (see below), whose sum is σ = 29423520000. Its totient is φ = 3685805568.

The previous prime is 11133033281. The next prime is 11133033313. The reversal of 11133033312 is 21333033111.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×11133033312² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11133033313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13268989 + ... + 13269827.

It is an arithmetic number, because the mean of its divisors is an integer number (306495000).

Almost surely, 2^11133033312 is an apocalyptic number.

11133033312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11133033312 is an abundant number, since it is smaller than the sum of its proper divisors (18290486688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11133033312 is a wasteful number, since it uses less digits than its factorization.

11133033312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1628 (or 1620 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 11133033312 its reverse (21333033111), we get a palindrome (32466066423).

The spelling of 11133033312 in words is "eleven billion, one hundred thirty-three million, thirty-three thousand, three hundred twelve".