1170232320577 has 4 divisors (see below), whose sum is σ = 1170286089300. Its totient is φ = 1170178551856.

The previous prime is 1170232320563. The next prime is 1170232320581. The reversal of 1170232320577 is 7750232320711.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 256571627841 + 913660692736 = 506529^2 + 955856^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1170232320577 is a prime.

It is a super-2 number, since 2×1170232320577² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1170232320377) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26851702 + ... + 26895247.

It is an arithmetic number, because the mean of its divisors is an integer number (292571522325).

Almost surely, 2^{1170232320577} is an apocalyptic number.

It is an amenable number.

1170232320577 is a deficient number, since it is larger than the sum of its proper divisors (53768723).

1170232320577 is an equidigital number, since it uses as much as digits as its factorization.

1170232320577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53768722.

The product of its (nonzero) digits is 123480, while the sum is 40.

The spelling of 1170232320577 in words is "one trillion, one hundred seventy billion, two hundred thirty-two million, three hundred twenty thousand, five hundred seventy-seven".