11767606456321 has 4 divisors (see below), whose sum is σ = 11792804757552. Its totient is φ = 11742408155092.

The previous prime is 11767606456303. The next prime is 11767606456327. The reversal of 11767606456321 is 12365460676711.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11767606456321 - 2⁹ = 11767606455809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11767606456327) 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, 12599149915 + ... + 12599150848.

It is an arithmetic number, because the mean of its divisors is an integer number (2948201189388).

Almost surely, 2^{11767606456321} is an apocalyptic number.

It is an amenable number.

11767606456321 is a deficient number, since it is larger than the sum of its proper divisors (25198301231).

11767606456321 is an equidigital number, since it uses as much as digits as its factorization.

11767606456321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25198301230.

The product of its (nonzero) digits is 7620480, while the sum is 55.

The spelling of 11767606456321 in words is "eleven trillion, seven hundred sixty-seven billion, six hundred six million, four hundred fifty-six thousand, three hundred twenty-one".