11673230605561 has 8 divisors (see below), whose sum is σ = 13436812208960. Its totient is φ = 9933643309968.

The previous prime is 11673230605493. The next prime is 11673230605583. The reversal of 11673230605561 is 16550603237611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11673230605561 - 2²⁵ = 11673197051129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11673230605061) 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, 5998575906 + ... + 5998577851.

It is an arithmetic number, because the mean of its divisors is an integer number (1679601526120).

Almost surely, 2^{11673230605561} is an apocalyptic number.

It is an amenable number.

11673230605561 is a deficient number, since it is larger than the sum of its proper divisors (1763581603399).

11673230605561 is a wasteful number, since it uses less digits than its factorization.

11673230605561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11997153903.

The product of its (nonzero) digits is 680400, while the sum is 46.

The spelling of 11673230605561 in words is "eleven trillion, six hundred seventy-three billion, two hundred thirty million, six hundred five thousand, five hundred sixty-one".