111032554081 has 2 divisors, whose sum is σ = 111032554082. Its totient is φ = 111032554080.

The previous prime is 111032554013. The next prime is 111032554153. The reversal of 111032554081 is 180455230111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107446939681 + 3585614400 = 327791^2 + 59880^2 .

It is a cyclic number.

It is not a de Polignac number, because 111032554081 - 2¹⁹ = 111032029793 is a prime.

It is a super-2 number, since 2×111032554081² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (111032584081) 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, 55516277040 + 55516277041.

It is an arithmetic number, because the mean of its divisors is an integer number (55516277041).

Almost surely, 2^111032554081 is an apocalyptic number.

It is an amenable number.

111032554081 is a deficient number, since it is larger than the sum of its proper divisors (1).

111032554081 is an equidigital number, since it uses as much as digits as its factorization.

111032554081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 31.

Adding to 111032554081 its reverse (180455230111), we get a palindrome (291487784192).

The spelling of 111032554081 in words is "one hundred eleven billion, thirty-two million, five hundred fifty-four thousand, eighty-one".