2061700011 has 24 divisors (see below), whose sum is σ = 3434676960. Its totient is φ = 1167302016.

The previous prime is 2061700009. The next prime is 2061700019. The reversal of 2061700011 is 1100071602.

It is not a de Polignac number, because 2061700011 - 2¹ = 2061700009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2061700019) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 143250 + ... + 156983.

It is an arithmetic number, because the mean of its divisors is an integer number (143111540).

Almost surely, 2^2061700011 is an apocalyptic number.

2061700011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2061700011 is a deficient number, since it is larger than the sum of its proper divisors (1372976949).

2061700011 is a wasteful number, since it uses less digits than its factorization.

2061700011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300355 (or 300352 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 18.

The square root of 2061700011 is about 45405.9468682242. The cubic root of 2061700011 is about 1272.7462450235.

Adding to 2061700011 its reverse (1100071602), we get a palindrome (3161771613).

The spelling of 2061700011 in words is "two billion, sixty-one million, seven hundred thousand, eleven".