1155241809306 has 64 divisors (see below), whose sum is σ = 2764835740800. Its totient is φ = 355439155968.

The previous prime is 1155241809301. The next prime is 1155241809341. The reversal of 1155241809306 is 6039081425511.

It is a happy number.

1155241809306 is a `hidden beast` number, since 1 + 1 + 552 + 4 + 1 + 8 + 0 + 93 + 0 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (1155241809301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17050765 + ... + 17118383.

It is an arithmetic number, because the mean of its divisors is an integer number (43200558450).

Almost surely, 2^{1155241809306} is an apocalyptic number.

1155241809306 is an abundant number, since it is smaller than the sum of its proper divisors (1609593931494).

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

1155241809306 is a wasteful number, since it uses less digits than its factorization.

1155241809306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91980 (or 91974 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The spelling of 1155241809306 in words is "one trillion, one hundred fifty-five billion, two hundred forty-one million, eight hundred nine thousand, three hundred six".