11611218741 has 16 divisors (see below), whose sum is σ = 15632046144. Its totient is φ = 7665655424.

The previous prime is 11611218721. The next prime is 11611218779. The reversal of 11611218741 is 14781211611.

It is a cyclic number.

It is not a de Polignac number, because 11611218741 - 2¹⁹ = 11610694453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11611218701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1225675 + ... + 1235111.

It is an arithmetic number, because the mean of its divisors is an integer number (977002884).

Almost surely, 2^11611218741 is an apocalyptic number.

It is an amenable number.

11611218741 is a deficient number, since it is larger than the sum of its proper divisors (4020827403).

11611218741 is a wasteful number, since it uses less digits than its factorization.

11611218741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13380.

The product of its digits is 2688, while the sum is 33.

The spelling of 11611218741 in words is "eleven billion, six hundred eleven million, two hundred eighteen thousand, seven hundred forty-one".