11123662156233 has 16 divisors (see below), whose sum is σ = 16232575408896. Its totient is φ = 6719653769040.

The previous prime is 11123662156181. The next prime is 11123662156247. The reversal of 11123662156233 is 33265126632111.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-11123662156233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11123662156273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 548981191 + ... + 549001452.

It is an arithmetic number, because the mean of its divisors is an integer number (1014535963056).

Almost surely, 2^{11123662156233} is an apocalyptic number.

It is an amenable number.

11123662156233 is a deficient number, since it is larger than the sum of its proper divisors (5108913252663).

11123662156233 is a wasteful number, since it uses less digits than its factorization.

11123662156233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097982964.

The product of its digits is 233280, while the sum is 42.

Adding to 11123662156233 its reverse (33265126632111), we get a palindrome (44388788788344).

The spelling of 11123662156233 in words is "eleven trillion, one hundred twenty-three billion, six hundred sixty-two million, one hundred fifty-six thousand, two hundred thirty-three".