11833854037081 has 2 divisors, whose sum is σ = 11833854037082. Its totient is φ = 11833854037080.

The previous prime is 11833854037073. The next prime is 11833854037141. The reversal of 11833854037081 is 18073045833811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7796889028681 + 4036965008400 = 2792291^2 + 2009220^2 .

It is a cyclic number.

It is not a de Polignac number, because 11833854037081 - 2³ = 11833854037073 is a prime.

It is a super-2 number, since 2×11833854037081² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11833854037981) 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 as a sum of consecutive naturals, namely, 5916927018540 + 5916927018541.

It is an arithmetic number, because the mean of its divisors is an integer number (5916927018541).

Almost surely, 2^{11833854037081} is an apocalyptic number.

It is an amenable number.

11833854037081 is a deficient number, since it is larger than the sum of its proper divisors (1).

11833854037081 is an equidigital number, since it uses as much as digits as its factorization.

11833854037081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1935360, while the sum is 52.

The spelling of 11833854037081 in words is "eleven trillion, eight hundred thirty-three billion, eight hundred fifty-four million, thirty-seven thousand, eighty-one".