111230133257 has 2 divisors, whose sum is σ = 111230133258. Its totient is φ = 111230133256.

The previous prime is 111230133163. The next prime is 111230133299. The reversal of 111230133257 is 752331032111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71736122896 + 39494010361 = 267836^2 + 198731^2 .

It is a cyclic number.

It is not a de Polignac number, because 111230133257 - 2¹⁴ = 111230116873 is a prime.

It is not a weakly prime, because it can be changed into another prime (111230133557) 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, 55615066628 + 55615066629.

It is an arithmetic number, because the mean of its divisors is an integer number (55615066629).

Almost surely, 2^111230133257 is an apocalyptic number.

It is an amenable number.

111230133257 is a deficient number, since it is larger than the sum of its proper divisors (1).

111230133257 is an equidigital number, since it uses as much as digits as its factorization.

111230133257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 29.

Adding to 111230133257 its reverse (752331032111), we get a palindrome (863561165368).

The spelling of 111230133257 in words is "one hundred eleven billion, two hundred thirty million, one hundred thirty-three thousand, two hundred fifty-seven".