11660365551323 has 4 divisors (see below), whose sum is σ = 11660373420360. Its totient is φ = 11660357682288.

The previous prime is 11660365551281. The next prime is 11660365551361. The reversal of 11660365551323 is 32315556306611.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11660365551323 - 2⁶ = 11660365551259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11660365551623) 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, 964490 + ... + 4924527.

It is an arithmetic number, because the mean of its divisors is an integer number (2915093355090).

Almost surely, 2^{11660365551323} is an apocalyptic number.

11660365551323 is a deficient number, since it is larger than the sum of its proper divisors (7869037).

11660365551323 is an equidigital number, since it uses as much as digits as its factorization.

11660365551323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7869036.

The product of its (nonzero) digits is 1458000, while the sum is 47.

The spelling of 11660365551323 in words is "eleven trillion, six hundred sixty billion, three hundred sixty-five million, five hundred fifty-one thousand, three hundred twenty-three".