11681828433 has 24 divisors (see below), whose sum is σ = 18444404160. Its totient is φ = 7065790560.

The previous prime is 11681828429. The next prime is 11681828461. The reversal of 11681828433 is 33482818611.

11681828433 is a `hidden beast` number, since 116 + 81 + 8 + 28 + 433 = 666.

It is not a de Polignac number, because 11681828433 - 2² = 11681828429 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11681828833) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67498 + ... + 167091.

It is an arithmetic number, because the mean of its divisors is an integer number (768516840).

Almost surely, 2^11681828433 is an apocalyptic number.

It is an amenable number.

11681828433 is a deficient number, since it is larger than the sum of its proper divisors (6762575727).

11681828433 is a wasteful number, since it uses less digits than its factorization.

11681828433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235109 (or 235106 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The spelling of 11681828433 in words is "eleven billion, six hundred eighty-one million, eight hundred twenty-eight thousand, four hundred thirty-three".