11777316623 has 4 divisors (see below), whose sum is σ = 11919212088. Its totient is φ = 11635421160.

The previous prime is 11777316619. The next prime is 11777316641. The reversal of 11777316623 is 32661377711.

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

It is a cyclic number.

It is not a de Polignac number, because 11777316623 - 2² = 11777316619 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 (11777316653) 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, 70947608 + ... + 70947773.

It is an arithmetic number, because the mean of its divisors is an integer number (2979803022).

Almost surely, 2^11777316623 is an apocalyptic number.

11777316623 is a deficient number, since it is larger than the sum of its proper divisors (141895465).

11777316623 is an equidigital number, since it uses as much as digits as its factorization.

11777316623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141895464.

The product of its digits is 222264, while the sum is 44.

The spelling of 11777316623 in words is "eleven billion, seven hundred seventy-seven million, three hundred sixteen thousand, six hundred twenty-three".