11617071611 has 4 divisors (see below), whose sum is σ = 11732092224. Its totient is φ = 11502051000.

The previous prime is 11617071593. The next prime is 11617071623.

It is a happy number.

11617071611 is nontrivially palindromic in base 10.

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 11617071611 - 2⁶ = 11617071547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11617071671) 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, 57510155 + ... + 57510356.

It is an arithmetic number, because the mean of its divisors is an integer number (2933023056).

Almost surely, 2^11617071611 is an apocalyptic number.

11617071611 is a deficient number, since it is larger than the sum of its proper divisors (115020613).

11617071611 is a wasteful number, since it uses less digits than its factorization.

11617071611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115020612.

The product of its (nonzero) digits is 1764, while the sum is 32.

It can be divided in two parts, 116170 and 71611, that added together give a palindrome (187781).

The spelling of 11617071611 in words is "eleven billion, six hundred seventeen million, seventy-one thousand, six hundred eleven".