11199885894473 has 2 divisors, whose sum is σ = 11199885894474. Its totient is φ = 11199885894472.

The previous prime is 11199885894469. The next prime is 11199885894503. The reversal of 11199885894473 is 37449858899111.

11199885894473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8762499863104 + 2437386031369 = 2960152^2 + 1561213^2 .

It is a cyclic number.

It is not a de Polignac number, because 11199885894473 - 2² = 11199885894469 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11199885894394 and 11199885894403.

It is not a weakly prime, because it can be changed into another prime (11199885894073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5599942947236 + 5599942947237.

It is an arithmetic number, because the mean of its divisors is an integer number (5599942947237).

Almost surely, 2^{11199885894473} is an apocalyptic number.

It is an amenable number.

11199885894473 is a deficient number, since it is larger than the sum of its proper divisors (1).

11199885894473 is an equidigital number, since it uses as much as digits as its factorization.

11199885894473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 627056640, while the sum is 77.

The spelling of 11199885894473 in words is "eleven trillion, one hundred ninety-nine billion, eight hundred eighty-five million, eight hundred ninety-four thousand, four hundred seventy-three".