11766954473 has 8 divisors (see below), whose sum is σ = 12083158920. Its totient is φ = 11454727680.

The previous prime is 11766954439. The next prime is 11766954497. The reversal of 11766954473 is 37445966711.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 779689 + 11766174784 = 883^2 + 108472^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11766954473 - 2¹⁶ = 11766888937 is a prime.

It is a super-2 number, since 2×11766954473² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11766954403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 988418 + ... + 1000251.

It is an arithmetic number, because the mean of its divisors is an integer number (1510394865).

Almost surely, 2^11766954473 is an apocalyptic number.

It is an amenable number.

11766954473 is a deficient number, since it is larger than the sum of its proper divisors (316204447).

11766954473 is an equidigital number, since it uses as much as digits as its factorization.

11766954473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1988827.

The product of its digits is 3810240, while the sum is 53.

The spelling of 11766954473 in words is "eleven billion, seven hundred sixty-six million, nine hundred fifty-four thousand, four hundred seventy-three".