11664063331451 has 4 divisors (see below), whose sum is σ = 11665739450400. Its totient is φ = 11662387212504.

The previous prime is 11664063331447. The next prime is 11664063331489. The reversal of 11664063331451 is 15413336046611.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11664063331451 - 2² = 11664063331447 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11664063331051) 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, 838049036 + ... + 838062953.

It is an arithmetic number, because the mean of its divisors is an integer number (2916434862600).

Almost surely, 2^{11664063331451} is an apocalyptic number.

11664063331451 is a deficient number, since it is larger than the sum of its proper divisors (1676118949).

11664063331451 is an equidigital number, since it uses as much as digits as its factorization.

11664063331451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1676118948.

The product of its (nonzero) digits is 466560, while the sum is 44.

The spelling of 11664063331451 in words is "eleven trillion, six hundred sixty-four billion, sixty-three million, three hundred thirty-one thousand, four hundred fifty-one".