2961111111 has 16 divisors (see below), whose sum is σ = 4604256000. Its totient is φ = 1692062904.

The previous prime is 2961111067. The next prime is 2961111133. The reversal of 2961111111 is 1111111692.

It is not a de Polignac number, because 2961111111 - 2¹⁷ = 2960980039 is a prime.

2961111111 is a modest number, since divided by 111111 gives 2961 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2961111151) 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, 1437801 + ... + 1439858.

It is an arithmetic number, because the mean of its divisors is an integer number (287766000).

Almost surely, 2^2961111111 is an apocalyptic number.

2961111111 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2961111111 is a deficient number, since it is larger than the sum of its proper divisors (1643144889).

2961111111 is an equidigital number, since it uses as much as digits as its factorization.

2961111111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2877683 (or 2877669 counting only the distinct ones).

The product of its digits is 108, while the sum is 24.

The square root of 2961111111 is about 54416.0923900274. The cubic root of 2961111111 is about 1435.9905039357.

The spelling of 2961111111 in words is "two billion, nine hundred sixty-one million, one hundred eleven thousand, one hundred eleven".