1155856676173 has 8 divisors (see below), whose sum is σ = 1156397201856. Its totient is φ = 1155316260000.

The previous prime is 1155856676137. The next prime is 1155856676269. The reversal of 1155856676173 is 3716766585511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1155856676173 - 2⁹ = 1155856675661 is a prime.

It is a super-3 number, since 3×1155856676173³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155856676573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27020640 + ... + 27063382.

It is an arithmetic number, because the mean of its divisors is an integer number (144549650232).

Almost surely, 2^{1155856676173} is an apocalyptic number.

It is an amenable number.

1155856676173 is a deficient number, since it is larger than the sum of its proper divisors (540525683).

1155856676173 is an equidigital number, since it uses as much as digits as its factorization.

1155856676173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54755.

The product of its digits is 31752000, while the sum is 61.

The spelling of 1155856676173 in words is "one trillion, one hundred fifty-five billion, eight hundred fifty-six million, six hundred seventy-six thousand, one hundred seventy-three".