11045142231 has 8 divisors (see below), whose sum is σ = 14728629504. Its totient is φ = 7362541560.

The previous prime is 11045142221. The next prime is 11045142247. The reversal of 11045142231 is 13224154011.

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

It is not a de Polignac number, because 11045142231 - 2⁶ = 11045142167 is a prime.

It is a super-3 number, since 3×11045142231³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11045142211) 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, 192015 + ... + 242816.

It is an arithmetic number, because the mean of its divisors is an integer number (1841078688).

Almost surely, 2^11045142231 is an apocalyptic number.

11045142231 is a deficient number, since it is larger than the sum of its proper divisors (3683487273).

11045142231 is an equidigital number, since it uses as much as digits as its factorization.

11045142231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443301.

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 11045142231 its reverse (13224154011), we get a palindrome (24269296242).

The spelling of 11045142231 in words is "eleven billion, forty-five million, one hundred forty-two thousand, two hundred thirty-one".