11320143242 has 8 divisors (see below), whose sum is σ = 17078366916. Its totient is φ = 5627354272.

The previous prime is 11320143239. The next prime is 11320143251. The reversal of 11320143242 is 24234102311.

It can be written as a sum of positive squares in 2 ways, for example, as 7754739721 + 3565403521 = 88061^2 + 59711^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16358243 + ... + 16358934.

Almost surely, 2^11320143242 is an apocalyptic number.

11320143242 is a deficient number, since it is larger than the sum of its proper divisors (5758223674).

11320143242 is a wasteful number, since it uses less digits than its factorization.

11320143242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32717352.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 11320143242 its reverse (24234102311), we get a palindrome (35554245553).

The spelling of 11320143242 in words is "eleven billion, three hundred twenty million, one hundred forty-three thousand, two hundred forty-two".