111254402653 has 2 divisors, whose sum is σ = 111254402654. Its totient is φ = 111254402652.

The previous prime is 111254402641. The next prime is 111254402657. The reversal of 111254402653 is 356204452111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98221440409 + 13032962244 = 313403^2 + 114162^2 .

It is a cyclic number.

It is not a de Polignac number, because 111254402653 - 2⁹ = 111254402141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111254402657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55627201326 + 55627201327.

It is an arithmetic number, because the mean of its divisors is an integer number (55627201327).

Almost surely, 2^111254402653 is an apocalyptic number.

It is an amenable number.

111254402653 is a deficient number, since it is larger than the sum of its proper divisors (1).

111254402653 is an equidigital number, since it uses as much as digits as its factorization.

111254402653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 34.

Adding to 111254402653 its reverse (356204452111), we get a palindrome (467458854764).

The spelling of 111254402653 in words is "one hundred eleven billion, two hundred fifty-four million, four hundred two thousand, six hundred fifty-three".