11066012551 has 8 divisors (see below), whose sum is σ = 12079098000. Its totient is φ = 10054107840.

The previous prime is 11066012519. The next prime is 11066012579. The reversal of 11066012551 is 15521066011.

It is a happy number.

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 11066012551 - 2⁵ = 11066012519 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 (11066012051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275526 + ... + 313123.

It is an arithmetic number, because the mean of its divisors is an integer number (1509887250).

Almost surely, 2^11066012551 is an apocalyptic number.

11066012551 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11066012551 is a deficient number, since it is larger than the sum of its proper divisors (1013085449).

11066012551 is a wasteful number, since it uses less digits than its factorization.

11066012551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590369.

The product of its (nonzero) digits is 1800, while the sum is 28.

Adding to 11066012551 its reverse (15521066011), we get a palindrome (26587078562).

The spelling of 11066012551 in words is "eleven billion, sixty-six million, twelve thousand, five hundred fifty-one".