11143605106 has 4 divisors (see below), whose sum is σ = 16715407662. Its totient is φ = 5571802552.

The previous prime is 11143605103. The next prime is 11143605113. The reversal of 11143605106 is 60150634111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60150634111 = 1223 ⋅49182857.

It can be written as a sum of positive squares in only one way, i.e., 10456903081 + 686702025 = 102259^2 + 26205^2 .

It is not an unprimeable number, because it can be changed into a prime (11143605103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2785901275 + ... + 2785901278.

Almost surely, 2^11143605106 is an apocalyptic number.

11143605106 is a deficient number, since it is larger than the sum of its proper divisors (5571802556).

11143605106 is an equidigital number, since it uses as much as digits as its factorization.

11143605106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5571802555.

The product of its (nonzero) digits is 2160, while the sum is 28.

The spelling of 11143605106 in words is "eleven billion, one hundred forty-three million, six hundred five thousand, one hundred six".