11660334551 has 8 divisors (see below), whose sum is σ = 11860593360. Its totient is φ = 11460163392.

The previous prime is 11660334533. The next prime is 11660334563. The reversal of 11660334551 is 15543306611.

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 11660334551 - 2¹⁴ = 11660318167 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 (11660334251) 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, 282341 + ... + 320993.

It is an arithmetic number, because the mean of its divisors is an integer number (1482574170).

Almost surely, 2^11660334551 is an apocalyptic number.

11660334551 is a deficient number, since it is larger than the sum of its proper divisors (200258809).

11660334551 is an equidigital number, since it uses as much as digits as its factorization.

11660334551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43825.

The product of its (nonzero) digits is 32400, while the sum is 35.

The spelling of 11660334551 in words is "eleven billion, six hundred sixty million, three hundred thirty-four thousand, five hundred fifty-one".