2011361917 has 2 divisors, whose sum is σ = 2011361918. Its totient is φ = 2011361916.

The previous prime is 2011361879. The next prime is 2011361929. The reversal of 2011361917 is 7191631102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1937848441 + 73513476 = 44021^2 + 8574^2 .

It is a cyclic number.

It is not a de Polignac number, because 2011361917 - 2¹¹ = 2011359869 is a prime.

It is a super-2 number, since 2×2011361917² = 8091153522315829778, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2011361117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005680958 + 1005680959.

It is an arithmetic number, because the mean of its divisors is an integer number (1005680959).

Almost surely, 2^2011361917 is an apocalyptic number.

It is an amenable number.

2011361917 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011361917 is an equidigital number, since it uses as much as digits as its factorization.

2011361917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 31.

The square root of 2011361917 is about 44848.2097413041. The cubic root of 2011361917 is about 1262.3023991887.

The spelling of 2011361917 in words is "two billion, eleven million, three hundred sixty-one thousand, nine hundred seventeen".