11773720471 has 4 divisors (see below), whose sum is σ = 11966732344. Its totient is φ = 11580708600.

The previous prime is 11773720463. The next prime is 11773720487. The reversal of 11773720471 is 17402737711.

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 11773720471 - 2³ = 11773720463 is a prime.

It is a super-3 number, since 3×11773720471³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11773720271) 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, 96505845 + ... + 96505966.

It is an arithmetic number, because the mean of its divisors is an integer number (2991683086).

Almost surely, 2^11773720471 is an apocalyptic number.

11773720471 is a deficient number, since it is larger than the sum of its proper divisors (193011873).

11773720471 is an equidigital number, since it uses as much as digits as its factorization.

11773720471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193011872.

The product of its (nonzero) digits is 57624, while the sum is 40.

The spelling of 11773720471 in words is "eleven billion, seven hundred seventy-three million, seven hundred twenty thousand, four hundred seventy-one".