11311033001123 has 16 divisors (see below), whose sum is σ = 12017900464416. Its totient is φ = 10608837834240.

The previous prime is 11311033001113. The next prime is 11311033001131. The reversal of 11311033001123 is 32110033011311.

It is a cyclic number.

It is not a de Polignac number, because 11311033001123 - 2¹⁸ = 11311032738979 is a prime.

It is a super-2 number, since 2×11311033001123² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11311033001095 and 11311033001104.

It is not an unprimeable number, because it can be changed into a prime (11311033001113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5124440 + ... + 6991562.

It is an arithmetic number, because the mean of its divisors is an integer number (751118779026).

Almost surely, 2^{11311033001123} is an apocalyptic number.

11311033001123 is a deficient number, since it is larger than the sum of its proper divisors (706867463293).

11311033001123 is a wasteful number, since it uses less digits than its factorization.

11311033001123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1868374.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 11311033001123 its reverse (32110033011311), we get a palindrome (43421066012434).

The spelling of 11311033001123 in words is "eleven trillion, three hundred eleven billion, thirty-three million, one thousand, one hundred twenty-three".