2011013043 has 8 divisors (see below), whose sum is σ = 2887608528. Its totient is φ = 1237546464.

The previous prime is 2011013023. The next prime is 2011013057. The reversal of 2011013043 is 3403101102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2011013043 - 2¹⁸ = 2010750899 is a prime.

It is a super-2 number, since 2×2011013043² = 8088346918232239698, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2011013023) 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 in 7 ways as a sum of consecutive naturals, for example, 25782180 + ... + 25782257.

It is an arithmetic number, because the mean of its divisors is an integer number (360951066).

Almost surely, 2^2011013043 is an apocalyptic number.

2011013043 is a deficient number, since it is larger than the sum of its proper divisors (876595485).

2011013043 is a wasteful number, since it uses less digits than its factorization.

2011013043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51564453.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2011013043 is about 44844.3200751221. The cubic root of 2011013043 is about 1262.2294121664.

Adding to 2011013043 its reverse (3403101102), we get a palindrome (5414114145).

It can be divided in two parts, 20110 and 13043, that added together give a triangular number (33153 = T₂₅₇).

The spelling of 2011013043 in words is "two billion, eleven million, thirteen thousand, forty-three".