11043142131 has 8 divisors (see below), whose sum is σ = 16827645184. Its totient is φ = 6310366920.

The previous prime is 11043142127. The next prime is 11043142153. The reversal of 11043142131 is 13124134011.

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

It is not a de Polignac number, because 11043142131 - 2² = 11043142127 is a prime.

It is a super-2 number, since 2×11043142131² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 525863911 = 11043142131 / (1 + 1 + 0 + 4 + 3 + 1 + 4 + 2 + 1 + 3 + 1).

It is a junction number, because it is equal to n+sod(n) for n = 11043142098 and 11043142107.

It is not an unprimeable number, because it can be changed into a prime (11043142031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262931935 + ... + 262931976.

It is an arithmetic number, because the mean of its divisors is an integer number (2103455648).

Almost surely, 2^11043142131 is an apocalyptic number.

11043142131 is a deficient number, since it is larger than the sum of its proper divisors (5784503053).

11043142131 is an equidigital number, since it uses as much as digits as its factorization.

11043142131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525863921.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 11043142131 its reverse (13124134011), we get a palindrome (24167276142).

The spelling of 11043142131 in words is "eleven billion, forty-three million, one hundred forty-two thousand, one hundred thirty-one".