11530533353499 has 6 divisors (see below), whose sum is σ = 16655214843956. Its totient is φ = 7687022235660.

The previous prime is 11530533353447. The next prime is 11530533353509. The reversal of 11530533353499 is 99435333503511.

11530533353499 is a `hidden beast` number, since 1 + 1 + 5 + 30 + 533 + 35 + 3 + 49 + 9 = 666.

It is not a de Polignac number, because 11530533353499 - 2⁸ = 11530533353243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11530533363499) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 640585186297 + ... + 640585186314.

Almost surely, 2^{11530533353499} is an apocalyptic number.

11530533353499 is a deficient number, since it is larger than the sum of its proper divisors (5124681490457).

11530533353499 is a wasteful number, since it uses less digits than its factorization.

11530533353499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1281170372617 (or 1281170372614 counting only the distinct ones).

The product of its (nonzero) digits is 9841500, while the sum is 54.

The spelling of 11530533353499 in words is "eleven trillion, five hundred thirty billion, five hundred thirty-three million, three hundred fifty-three thousand, four hundred ninety-nine".