111316553 has 2 divisors, whose sum is σ = 111316554. Its totient is φ = 111316552.

The previous prime is 111316531. The next prime is 111316631. The reversal of 111316553 is 355613111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90859024 + 20457529 = 9532^2 + 4523^2 .

It is a cyclic number.

It is not a de Polignac number, because 111316553 - 2⁶ = 111316489 is a prime.

It is not a weakly prime, because it can be changed into another prime (111316523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55658276 + 55658277.

It is an arithmetic number, because the mean of its divisors is an integer number (55658277).

Almost surely, 2^111316553 is an apocalyptic number.

It is an amenable number.

111316553 is a deficient number, since it is larger than the sum of its proper divisors (1).

111316553 is an equidigital number, since it uses as much as digits as its factorization.

111316553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1350, while the sum is 26.

The square root of 111316553 is about 10550.6659979359. The cubic root of 111316553 is about 481.0459728161.

Adding to 111316553 its reverse (355613111), we get a palindrome (466929664).

The spelling of 111316553 in words is "one hundred eleven million, three hundred sixteen thousand, five hundred fifty-three".