6111701121611 has 16 divisors (see below), whose sum is σ = 6495737004000. Its totient is φ = 5730393220608.

The previous prime is 6111701121599. The next prime is 6111701121637. The reversal of 6111701121611 is 1161211071116.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6111701121611 is a prime.

It is a super-2 number, since 2×6111701121611² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6111701321611) 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, 76983365 + ... + 77062713.

It is an arithmetic number, because the mean of its divisors is an integer number (405983562750).

Almost surely, 2^{6111701121611} is an apocalyptic number.

6111701121611 is a deficient number, since it is larger than the sum of its proper divisors (384035882389).

6111701121611 is a wasteful number, since it uses less digits than its factorization.

6111701121611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96478.

The product of its (nonzero) digits is 504, while the sum is 29.

Adding to 6111701121611 its reverse (1161211071116), we get a palindrome (7272912192727).

The spelling of 6111701121611 in words is "six trillion, one hundred eleven billion, seven hundred one million, one hundred twenty-one thousand, six hundred eleven".