11234566733881 has 2 divisors, whose sum is σ = 11234566733882. Its totient is φ = 11234566733880.

The previous prime is 11234566733869. The next prime is 11234566733891. The reversal of 11234566733881 is 18833766543211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10567804665856 + 666762068025 = 3250816^2 + 816555^2 .

It is an emirp because it is prime and its reverse (18833766543211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11234566733881 - 2⁴¹ = 9035543478329 is a prime.

It is a super-2 number, since 2×11234566733881² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11234566733891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5617283366940 + 5617283366941.

It is an arithmetic number, because the mean of its divisors is an integer number (5617283366941).

Almost surely, 2^{11234566733881} is an apocalyptic number.

It is an amenable number.

11234566733881 is a deficient number, since it is larger than the sum of its proper divisors (1).

11234566733881 is an equidigital number, since it uses as much as digits as its factorization.

11234566733881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17418240, while the sum is 58.

The spelling of 11234566733881 in words is "eleven trillion, two hundred thirty-four billion, five hundred sixty-six million, seven hundred thirty-three thousand, eight hundred eighty-one".