11661817458367 has 4 divisors (see below), whose sum is σ = 11665110830296. Its totient is φ = 11658524086440.

The previous prime is 11661817458283. The next prime is 11661817458371. The reversal of 11661817458367 is 76385471816611.

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 11661817458367 - 2²⁷ = 11661683240639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11661817458299 and 11661817458308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11661817428367) 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, 1646680653 + ... + 1646687734.

It is an arithmetic number, because the mean of its divisors is an integer number (2916277707574).

Almost surely, 2^{11661817458367} is an apocalyptic number.

11661817458367 is a deficient number, since it is larger than the sum of its proper divisors (3293371929).

11661817458367 is an equidigital number, since it uses as much as digits as its factorization.

11661817458367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3293371928.

The product of its digits is 40642560, while the sum is 64.

The spelling of 11661817458367 in words is "eleven trillion, six hundred sixty-one billion, eight hundred seventeen million, four hundred fifty-eight thousand, three hundred sixty-seven".