532320780811 has 4 divisors (see below), whose sum is σ = 532325424312. Its totient is φ = 532316137312.

The previous prime is 532320780767. The next prime is 532320780889. The reversal of 532320780811 is 118087023235.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 118087023235 = 5 ⋅23617404647.

It is a cyclic number.

It is not a de Polignac number, because 532320780811 - 2¹⁷ = 532320649739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (532320780011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2145325 + ... + 2380558.

It is an arithmetic number, because the mean of its divisors is an integer number (133081356078).

Almost surely, 2^532320780811 is an apocalyptic number.

532320780811 is a deficient number, since it is larger than the sum of its proper divisors (4643501).

532320780811 is a wasteful number, since it uses less digits than its factorization.

532320780811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4643500.

The product of its (nonzero) digits is 80640, while the sum is 40.

It can be divided in two parts, 532320 and 780811, that added together give a palindrome (1313131).

The spelling of 532320780811 in words is "five hundred thirty-two billion, three hundred twenty million, seven hundred eighty thousand, eight hundred eleven".