11147385853 has 2 divisors, whose sum is σ = 11147385854. Its totient is φ = 11147385852.

The previous prime is 11147385793. The next prime is 11147385871. The reversal of 11147385853 is 35858374111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10436256964 + 711128889 = 102158^2 + 26667^2 .

It is a cyclic number.

It is not a de Polignac number, because 11147385853 - 2²¹ = 11145288701 is a prime.

It is a super-3 number, since 3×11147385853³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11147385553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5573692926 + 5573692927.

It is an arithmetic number, because the mean of its divisors is an integer number (5573692927).

Almost surely, 2^11147385853 is an apocalyptic number.

It is an amenable number.

11147385853 is a deficient number, since it is larger than the sum of its proper divisors (1).

11147385853 is an equidigital number, since it uses as much as digits as its factorization.

11147385853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 403200, while the sum is 46.

The spelling of 11147385853 in words is "eleven billion, one hundred forty-seven million, three hundred eighty-five thousand, eight hundred fifty-three".