2011149143 has 2 divisors, whose sum is σ = 2011149144. Its totient is φ = 2011149142.

The previous prime is 2011149139. The next prime is 2011149167. The reversal of 2011149143 is 3419411102.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2011149143 - 2² = 2011149139 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2011149743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005574571 + 1005574572.

It is an arithmetic number, because the mean of its divisors is an integer number (1005574572).

Almost surely, 2^2011149143 is an apocalyptic number.

2011149143 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011149143 is an equidigital number, since it uses as much as digits as its factorization.

2011149143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 2011149143 is about 44845.8375214467. The cubic root of 2011149143 is about 1262.2578862976.

The spelling of 2011149143 in words is "two billion, eleven million, one hundred forty-nine thousand, one hundred forty-three".