11199057181853 has 2 divisors, whose sum is σ = 11199057181854. Its totient is φ = 11199057181852.

The previous prime is 11199057181843. The next prime is 11199057181867. The reversal of 11199057181853 is 35818175099111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10051163507449 + 1147893674404 = 3170357^2 + 1071398^2 .

It is a cyclic number.

It is not a de Polignac number, because 11199057181853 - 2¹² = 11199057177757 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11199057181792 and 11199057181801.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11199057181843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5599528590926 + 5599528590927.

It is an arithmetic number, because the mean of its divisors is an integer number (5599528590927).

Almost surely, 2^{11199057181853} is an apocalyptic number.

It is an amenable number.

11199057181853 is a deficient number, since it is larger than the sum of its proper divisors (1).

11199057181853 is an equidigital number, since it uses as much as digits as its factorization.

11199057181853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2721600, while the sum is 59.

The spelling of 11199057181853 in words is "eleven trillion, one hundred ninety-nine billion, fifty-seven million, one hundred eighty-one thousand, eight hundred fifty-three".