11147216049 has 12 divisors (see below), whose sum is σ = 16190495412. Its totient is φ = 7390418400.

The previous prime is 11147216027. The next prime is 11147216051. The reversal of 11147216049 is 94061274111.

11147216049 is a `hidden beast` number, since 1 + 1 + 1 + 47 + 2 + 1 + 604 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5349459600 + 5797756449 = 73140^2 + 76143^2 .

It is a de Polignac number, because none of the positive numbers 2^k-11147216049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11147216089) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3419862 + ... + 3423119.

It is an arithmetic number, because the mean of its divisors is an integer number (1349207951).

Almost surely, 2^11147216049 is an apocalyptic number.

It is an amenable number.

11147216049 is a deficient number, since it is larger than the sum of its proper divisors (5043279363).

11147216049 is a wasteful number, since it uses less digits than its factorization.

11147216049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6843168 (or 6843165 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The spelling of 11147216049 in words is "eleven billion, one hundred forty-seven million, two hundred sixteen thousand, forty-nine".