1155340010043 has 6 divisors (see below), whose sum is σ = 1668824458964. Its totient is φ = 770226673356.

The previous prime is 1155340010023. The next prime is 1155340010047. The reversal of 1155340010043 is 3400100435511.

It is a happy number.

1155340010043 is a `hidden beast` number, since 1 + 1 + 553 + 4 + 0 + 0 + 100 + 4 + 3 = 666.

It is not a de Polignac number, because 1155340010043 - 2⁶ = 1155340009979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1155340009989 and 1155340010016.

It is not an unprimeable number, because it can be changed into a prime (1155340010047) 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, 64185556105 + ... + 64185556122.

Almost surely, 2^{1155340010043} is an apocalyptic number.

1155340010043 is a deficient number, since it is larger than the sum of its proper divisors (513484448921).

1155340010043 is a wasteful number, since it uses less digits than its factorization.

1155340010043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128371112233 (or 128371112230 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 1155340010043 its reverse (3400100435511), we get a palindrome (4555440445554).

The spelling of 1155340010043 in words is "one trillion, one hundred fifty-five billion, three hundred forty million, ten thousand, forty-three".