11155122433 has 32 divisors (see below), whose sum is σ = 14548029440. Its totient is φ = 8305934400.

The previous prime is 11155122427. The next prime is 11155122449. The reversal of 11155122433 is 33422155111.

It is a cyclic number.

It is not a de Polignac number, because 11155122433 - 2⁹ = 11155121921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11155122463) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 239716 + ... + 282442.

It is an arithmetic number, because the mean of its divisors is an integer number (454625920).

Almost surely, 2^11155122433 is an apocalyptic number.

11155122433 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11155122433 is a deficient number, since it is larger than the sum of its proper divisors (3392907007).

11155122433 is a wasteful number, since it uses less digits than its factorization.

11155122433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42917.

The product of its digits is 3600, while the sum is 28.

Adding to 11155122433 its reverse (33422155111), we get a palindrome (44577277544).

The spelling of 11155122433 in words is "eleven billion, one hundred fifty-five million, one hundred twenty-two thousand, four hundred thirty-three".