11155200206 has 4 divisors (see below), whose sum is σ = 16732800312. Its totient is φ = 5577600102.

The previous prime is 11155200157. The next prime is 11155200211. The reversal of 11155200206 is 60200255111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60200255111 = 34297 ⋅1755263.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2788800050 + ... + 2788800053.

It is an arithmetic number, because the mean of its divisors is an integer number (4183200078).

Almost surely, 2^11155200206 is an apocalyptic number.

11155200206 is a deficient number, since it is larger than the sum of its proper divisors (5577600106).

11155200206 is an equidigital number, since it uses as much as digits as its factorization.

11155200206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5577600105.

The product of its (nonzero) digits is 600, while the sum is 23.

Adding to 11155200206 its reverse (60200255111), we get a palindrome (71355455317).

The spelling of 11155200206 in words is "eleven billion, one hundred fifty-five million, two hundred thousand, two hundred six".