1155428230684 has 36 divisors (see below), whose sum is σ = 2502288367824. Its totient is φ = 457092484992.

The previous prime is 1155428230661. The next prime is 1155428230709. The reversal of 1155428230684 is 4860328245511.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122081937 + ... + 122091400.

Almost surely, 2^{1155428230684} is an apocalyptic number.

1155428230684 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1155428230684 is an abundant number, since it is smaller than the sum of its proper divisors (1346860137140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1155428230684 is a wasteful number, since it uses less digits than its factorization.

1155428230684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244173374 (or 244173359 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 49.

The spelling of 1155428230684 in words is "one trillion, one hundred fifty-five billion, four hundred twenty-eight million, two hundred thirty thousand, six hundred eighty-four".