111133510361 has 2 divisors, whose sum is σ = 111133510362. Its totient is φ = 111133510360.

The previous prime is 111133510307. The next prime is 111133510417. The reversal of 111133510361 is 163015331111.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81592494736 + 29541015625 = 285644^2 + 171875^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111133510361 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111133510361.

It is not a weakly prime, because it can be changed into another prime (111133519361) 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, 55566755180 + 55566755181.

It is an arithmetic number, because the mean of its divisors is an integer number (55566755181).

Almost surely, 2^111133510361 is an apocalyptic number.

It is an amenable number.

111133510361 is a deficient number, since it is larger than the sum of its proper divisors (1).

111133510361 is an equidigital number, since it uses as much as digits as its factorization.

111133510361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 810, while the sum is 26.

Adding to 111133510361 its reverse (163015331111), we get a palindrome (274148841472).

The spelling of 111133510361 in words is "one hundred eleven billion, one hundred thirty-three million, five hundred ten thousand, three hundred sixty-one".