1164255122477 has 4 divisors (see below), whose sum is σ = 1164470054076. Its totient is φ = 1164040190880.

The previous prime is 1164255122453. The next prime is 1164255122519. The reversal of 1164255122477 is 7742215524611.

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 448490053636 + 715765068841 = 669694^2 + 846029^2 .

It is a cyclic number.

It is not a de Polignac number, because 1164255122477 - 2⁸ = 1164255122221 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 (1164255122417) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 107457674 + ... + 107468507.

It is an arithmetic number, because the mean of its divisors is an integer number (291117513519).

Almost surely, 2^{1164255122477} is an apocalyptic number.

It is an amenable number.

1164255122477 is a deficient number, since it is larger than the sum of its proper divisors (214931599).

1164255122477 is an equidigital number, since it uses as much as digits as its factorization.

1164255122477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214931598.

The product of its digits is 940800, while the sum is 47.

The spelling of 1164255122477 in words is "one trillion, one hundred sixty-four billion, two hundred fifty-five million, one hundred twenty-two thousand, four hundred seventy-seven".