11121055355 has 16 divisors (see below), whose sum is σ = 13458078720. Its totient is φ = 8821717632.

The previous prime is 11121055321. The next prime is 11121055369. The reversal of 11121055355 is 55355012111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11121055355 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1416581 + ... + 1424409.

It is an arithmetic number, because the mean of its divisors is an integer number (841129920).

Almost surely, 2^11121055355 is an apocalyptic number.

11121055355 is a deficient number, since it is larger than the sum of its proper divisors (2337023365).

11121055355 is a wasteful number, since it uses less digits than its factorization.

11121055355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10198.

The product of its (nonzero) digits is 3750, while the sum is 29.

Adding to 11121055355 its reverse (55355012111), we get a palindrome (66476067466).

The spelling of 11121055355 in words is "eleven billion, one hundred twenty-one million, fifty-five thousand, three hundred fifty-five".