11011231133 has 8 divisors (see below), whose sum is σ = 12891197760. Its totient is φ = 9207997920.

The previous prime is 11011231129. The next prime is 11011231141. The reversal of 11011231133 is 33113211011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11011231133 - 2² = 11011231129 is a prime.

It is a super-2 number, since 2×11011231133² (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 (11011231433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19183043 + ... + 19183616.

It is an arithmetic number, because the mean of its divisors is an integer number (1611399720).

Almost surely, 2^11011231133 is an apocalyptic number.

It is an amenable number.

11011231133 is a deficient number, since it is larger than the sum of its proper divisors (1879966627).

11011231133 is an equidigital number, since it uses as much as digits as its factorization.

11011231133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38366707.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 11011231133 its reverse (33113211011), we get a palindrome (44124442144).

The spelling of 11011231133 in words is "eleven billion, eleven million, two hundred thirty-one thousand, one hundred thirty-three".