6111111110061 has 32 divisors (see below), whose sum is σ = 8282748856320. Its totient is φ = 4006968223104.

The previous prime is 6111111110059. The next prime is 6111111110101. The reversal of 6111111110061 is 1600111111116.

It is not a de Polignac number, because 6111111110061 - 2¹ = 6111111110059 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6111111110011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 803772486 + ... + 803780088.

It is an arithmetic number, because the mean of its divisors is an integer number (258835901760).

Almost surely, 2^{6111111110061} is an apocalyptic number.

It is an amenable number.

6111111110061 is a deficient number, since it is larger than the sum of its proper divisors (2171637746259).

6111111110061 is a wasteful number, since it uses less digits than its factorization.

6111111110061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13425.

The product of its (nonzero) digits is 36, while the sum is 21.

Adding to 6111111110061 its reverse (1600111111116), we get a palindrome (7711222221177).

The spelling of 6111111110061 in words is "six trillion, one hundred eleven billion, one hundred eleven million, one hundred ten thousand, sixty-one".