1131561675173 has 8 divisors (see below), whose sum is σ = 1146107345856. Its totient is φ = 1117105516800.

The previous prime is 1131561675157. The next prime is 1131561675187. The reversal of 1131561675173 is 3715761651311.

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 1131561675173 - 2⁴ = 1131561675157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131561675113) 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, 22352633 + ... + 22403198.

It is an arithmetic number, because the mean of its divisors is an integer number (143263418232).

Almost surely, 2^{1131561675173} is an apocalyptic number.

It is an amenable number.

1131561675173 is a deficient number, since it is larger than the sum of its proper divisors (14545670683).

1131561675173 is a wasteful number, since it uses less digits than its factorization.

1131561675173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44756155.

The product of its digits is 396900, while the sum is 47.

The spelling of 1131561675173 in words is "one trillion, one hundred thirty-one billion, five hundred sixty-one million, six hundred seventy-five thousand, one hundred seventy-three".