11333440172 has 12 divisors (see below), whose sum is σ = 20084578080. Its totient is φ = 5594989296.

The previous prime is 11333440163. The next prime is 11333440177. The reversal of 11333440172 is 27104433311.

It is a super-2 number, since 2×11333440172² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11333440177) 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, 17932343 + ... + 17932974.

It is an arithmetic number, because the mean of its divisors is an integer number (1673714840).

Almost surely, 2^11333440172 is an apocalyptic number.

It is an amenable number.

11333440172 is a deficient number, since it is larger than the sum of its proper divisors (8751137908).

11333440172 is a wasteful number, since it uses less digits than its factorization.

11333440172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35865400 (or 35865398 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

Adding to 11333440172 its reverse (27104433311), we get a palindrome (38437873483).

The spelling of 11333440172 in words is "eleven billion, three hundred thirty-three million, four hundred forty thousand, one hundred seventy-two".