1165424814973 has 8 divisors (see below), whose sum is σ = 1204561104768. Its totient is φ = 1126886025984.

The previous prime is 1165424814949. The next prime is 1165424814991. The reversal of 1165424814973 is 3794184245611.

It is a happy number.

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 1165424814973 - 2¹⁷ = 1165424683901 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 (1165424812973) 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, 149371236 + ... + 149379037.

It is an arithmetic number, because the mean of its divisors is an integer number (150570138096).

Almost surely, 2^{1165424814973} is an apocalyptic number.

It is an amenable number.

1165424814973 is a deficient number, since it is larger than the sum of its proper divisors (39136289795).

1165424814973 is an equidigital number, since it uses as much as digits as its factorization.

1165424814973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298750403.

The product of its digits is 5806080, while the sum is 55.

The spelling of 1165424814973 in words is "one trillion, one hundred sixty-five billion, four hundred twenty-four million, eight hundred fourteen thousand, nine hundred seventy-three".