1155346423738 has 32 divisors (see below), whose sum is σ = 1952235532800. Its totient is φ = 508805421696.

The previous prime is 1155346423697. The next prime is 1155346423789. The reversal of 1155346423738 is 8373246435511.

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 15 ways as a sum of consecutive naturals, for example, 2117298 + ... + 2606461.

It is an arithmetic number, because the mean of its divisors is an integer number (61007360400).

Almost surely, 2^{1155346423738} is an apocalyptic number.

1155346423738 is a deficient number, since it is larger than the sum of its proper divisors (796889109062).

1155346423738 is a wasteful number, since it uses less digits than its factorization.

1155346423738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4724206.

The product of its digits is 7257600, while the sum is 52.

The spelling of 1155346423738 in words is "one trillion, one hundred fifty-five billion, three hundred forty-six million, four hundred twenty-three thousand, seven hundred thirty-eight".