11142030161 has 4 divisors (see below), whose sum is σ = 11246161392. Its totient is φ = 11037898932.

The previous prime is 11142030149. The next prime is 11142030209. The reversal of 11142030161 is 16103024111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16103024111 = 28619 ⋅562669.

It is a cyclic number.

It is not a de Polignac number, because 11142030161 - 2¹⁴ = 11142013777 is a prime.

It is a super-2 number, since 2×11142030161² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11142030121) 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, 52065455 + ... + 52065668.

It is an arithmetic number, because the mean of its divisors is an integer number (2811540348).

Almost surely, 2^11142030161 is an apocalyptic number.

It is an amenable number.

11142030161 is a deficient number, since it is larger than the sum of its proper divisors (104131231).

11142030161 is a wasteful number, since it uses less digits than its factorization.

11142030161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104131230.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 11142030161 its reverse (16103024111), we get a palindrome (27245054272).

The spelling of 11142030161 in words is "eleven billion, one hundred forty-two million, thirty thousand, one hundred sixty-one".