11970782223077 has 4 divisors (see below), whose sum is σ = 12674945883276. Its totient is φ = 11266618562880.

The previous prime is 11970782223073. The next prime is 11970782223079. The reversal of 11970782223077 is 77032228707911.

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 9671316295876 + 2299465927201 = 3109874^2 + 1516399^2 .

It is a cyclic number.

It is not a de Polignac number, because 11970782223077 - 2² = 11970782223073 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 (11970782223073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352081830074 + ... + 352081830107.

It is an arithmetic number, because the mean of its divisors is an integer number (3168736470819).

Almost surely, 2^{11970782223077} is an apocalyptic number.

11970782223077 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

11970782223077 is a deficient number, since it is larger than the sum of its proper divisors (704163660199).

11970782223077 is an equidigital number, since it uses as much as digits as its factorization.

11970782223077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704163660198.

The product of its (nonzero) digits is 4148928, while the sum is 56.

The spelling of 11970782223077 in words is "eleven trillion, nine hundred seventy billion, seven hundred eighty-two million, two hundred twenty-three thousand, seventy-seven".