12017417611 has 4 divisors (see below), whose sum is σ = 12043486224. Its totient is φ = 11991349000.

The previous prime is 12017417593. The next prime is 12017417617. The reversal of 12017417611 is 11671471021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11671471021 = 7 ⋅1667353003.

It is a cyclic number.

It is not a de Polignac number, because 12017417611 - 2⁵ = 12017417579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12017417617) 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, 13033615 + ... + 13034536.

It is an arithmetic number, because the mean of its divisors is an integer number (3010871556).

Almost surely, 2^12017417611 is an apocalyptic number.

12017417611 is a deficient number, since it is larger than the sum of its proper divisors (26068613).

12017417611 is an equidigital number, since it uses as much as digits as its factorization.

12017417611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26068612.

The product of its (nonzero) digits is 2352, while the sum is 31.

Adding to 12017417611 its reverse (11671471021), we get a palindrome (23688888632).

The spelling of 12017417611 in words is "twelve billion, seventeen million, four hundred seventeen thousand, six hundred eleven".