111211313153 has 2 divisors, whose sum is σ = 111211313154. Its totient is φ = 111211313152.

The previous prime is 111211313123. The next prime is 111211313207. The reversal of 111211313153 is 351313112111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78135343729 + 33075969424 = 279527^2 + 181868^2 .

It is a cyclic number.

It is not a de Polignac number, because 111211313153 - 2⁶ = 111211313089 is a prime.

It is not a weakly prime, because it can be changed into another prime (111211313123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55605656576 + 55605656577.

It is an arithmetic number, because the mean of its divisors is an integer number (55605656577).

Almost surely, 2^111211313153 is an apocalyptic number.

It is an amenable number.

111211313153 is a deficient number, since it is larger than the sum of its proper divisors (1).

111211313153 is an equidigital number, since it uses as much as digits as its factorization.

111211313153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 270, while the sum is 23.

Adding to 111211313153 its reverse (351313112111), we get a palindrome (462524425264).

The spelling of 111211313153 in words is "one hundred eleven billion, two hundred eleven million, three hundred thirteen thousand, one hundred fifty-three".