11845198853 has 2 divisors, whose sum is σ = 11845198854. Its totient is φ = 11845198852.

The previous prime is 11845198847. The next prime is 11845198889. The reversal of 11845198853 is 35889154811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11620408804 + 224790049 = 107798^2 + 14993^2 .

It is a cyclic number.

It is not a de Polignac number, because 11845198853 - 2⁸ = 11845198597 is a prime.

It is a super-2 number, since 2×11845198853² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11845198795 and 11845198804.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11845197853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5922599426 + 5922599427.

It is an arithmetic number, because the mean of its divisors is an integer number (5922599427).

Almost surely, 2^11845198853 is an apocalyptic number.

It is an amenable number.

11845198853 is a deficient number, since it is larger than the sum of its proper divisors (1).

11845198853 is an equidigital number, since it uses as much as digits as its factorization.

11845198853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1382400, while the sum is 53.

The spelling of 11845198853 in words is "eleven billion, eight hundred forty-five million, one hundred ninety-eight thousand, eight hundred fifty-three".