2051115043 has 2 divisors, whose sum is σ = 2051115044. Its totient is φ = 2051115042.

The previous prime is 2051115041. The next prime is 2051115061. The reversal of 2051115043 is 3405111502.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2051115043 - 2¹ = 2051115041 is a prime.

Together with 2051115041, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2051115041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1025557521 + 1025557522.

It is an arithmetic number, because the mean of its divisors is an integer number (1025557522).

Almost surely, 2^2051115043 is an apocalyptic number.

2051115043 is a deficient number, since it is larger than the sum of its proper divisors (1).

2051115043 is an equidigital number, since it uses as much as digits as its factorization.

2051115043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 2051115043 is about 45289.2376067427. The cubic root of 2051115043 is about 1270.5643725118.

Adding to 2051115043 its reverse (3405111502), we get a palindrome (5456226545).

The spelling of 2051115043 in words is "two billion, fifty-one million, one hundred fifteen thousand, forty-three".