11121200234849 has 2 divisors, whose sum is σ = 11121200234850. Its totient is φ = 11121200234848.

The previous prime is 11121200234789. The next prime is 11121200234867. The reversal of 11121200234849 is 94843200212111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11021238030625 + 99962204224 = 3319825^2 + 316168^2 .

It is a cyclic number.

It is not a de Polignac number, because 11121200234849 - 2³² = 11116905267553 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (11121200264849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5560600117424 + 5560600117425.

It is an arithmetic number, because the mean of its divisors is an integer number (5560600117425).

Almost surely, 2^{11121200234849} is an apocalyptic number.

It is an amenable number.

11121200234849 is a deficient number, since it is larger than the sum of its proper divisors (1).

11121200234849 is an equidigital number, since it uses as much as digits as its factorization.

11121200234849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 38.

The spelling of 11121200234849 in words is "eleven trillion, one hundred twenty-one billion, two hundred million, two hundred thirty-four thousand, eight hundred forty-nine".