11066716551 has 32 divisors (see below), whose sum is σ = 16278612480. Its totient is φ = 6631632000.

The previous prime is 11066716511. The next prime is 11066716571. The reversal of 11066716551 is 15561766011.

It is not a de Polignac number, because 11066716551 - 2⁶ = 11066716487 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11066716511) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3061221 + ... + 3064833.

It is an arithmetic number, because the mean of its divisors is an integer number (508706640).

Almost surely, 2^11066716551 is an apocalyptic number.

11066716551 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11066716551 is a deficient number, since it is larger than the sum of its proper divisors (5211895929).

11066716551 is a wasteful number, since it uses less digits than its factorization.

11066716551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4647.

The product of its (nonzero) digits is 37800, while the sum is 39.

The spelling of 11066716551 in words is "eleven billion, sixty-six million, seven hundred sixteen thousand, five hundred fifty-one".