11551109830853 has 2 divisors, whose sum is σ = 11551109830854. Its totient is φ = 11551109830852.

The previous prime is 11551109830787. The next prime is 11551109830873. The reversal of 11551109830853 is 35803890115511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11189714080609 + 361395750244 = 3345103^2 + 601162^2 .

It is a cyclic number.

It is not a de Polignac number, because 11551109830853 - 2¹⁴ = 11551109814469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11551109830873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5775554915426 + 5775554915427.

It is an arithmetic number, because the mean of its divisors is an integer number (5775554915427).

Almost surely, 2^{11551109830853} is an apocalyptic number.

It is an amenable number.

11551109830853 is a deficient number, since it is larger than the sum of its proper divisors (1).

11551109830853 is an equidigital number, since it uses as much as digits as its factorization.

11551109830853 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648000, while the sum is 50.

The spelling of 11551109830853 in words is "eleven trillion, five hundred fifty-one billion, one hundred nine million, eight hundred thirty thousand, eight hundred fifty-three".