11613231611 has 8 divisors (see below), whose sum is σ = 11634951120. Its totient is φ = 11591534592.

The previous prime is 11613231583. The next prime is 11613231629.

It is a happy number.

11613231611 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11613231611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11613231671) 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, 1290335 + ... + 1299303.

It is an arithmetic number, because the mean of its divisors is an integer number (1454368890).

Almost surely, 2^11613231611 is an apocalyptic number.

11613231611 is a deficient number, since it is larger than the sum of its proper divisors (21719509).

11613231611 is a wasteful number, since it uses less digits than its factorization.

11613231611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11245.

The product of its digits is 648, while the sum is 26.

The spelling of 11613231611 in words is "eleven billion, six hundred thirteen million, two hundred thirty-one thousand, six hundred eleven".