11667242617 has 4 divisors (see below), whose sum is σ = 11676239476. Its totient is φ = 11658245760.

The previous prime is 11667242569. The next prime is 11667242621. The reversal of 11667242617 is 71624276611.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5704931961 + 5962310656 = 75531^2 + 77216^2 .

It is a cyclic number.

It is not a de Polignac number, because 11667242617 - 2²⁷ = 11533024889 is a prime.

It is a super-2 number, since 2×11667242617² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11667542617) 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, 4496484 + ... + 4499077.

It is an arithmetic number, because the mean of its divisors is an integer number (2919059869).

Almost surely, 2^11667242617 is an apocalyptic number.

It is an amenable number.

11667242617 is a deficient number, since it is larger than the sum of its proper divisors (8996859).

11667242617 is an equidigital number, since it uses as much as digits as its factorization.

11667242617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8996858.

The product of its digits is 169344, while the sum is 43.

The spelling of 11667242617 in words is "eleven billion, six hundred sixty-seven million, two hundred forty-two thousand, six hundred seventeen".