2051115107 has 2 divisors, whose sum is σ = 2051115108. Its totient is φ = 2051115106.

The previous prime is 2051115097. The next prime is 2051115119. The reversal of 2051115107 is 7015111502.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2051115107 - 2⁶ = 2051115043 is a prime.

It is not a weakly prime, because it can be changed into another prime (2051115167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1025557553 + 1025557554.

It is an arithmetic number, because the mean of its divisors is an integer number (1025557554).

Almost surely, 2^2051115107 is an apocalyptic number.

2051115107 is a deficient number, since it is larger than the sum of its proper divisors (1).

2051115107 is an equidigital number, since it uses as much as digits as its factorization.

2051115107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 350, while the sum is 23.

The square root of 2051115107 is about 45289.2383133124. The cubic root of 2051115107 is about 1270.5643857268.

Adding to 2051115107 its reverse (7015111502), we get a palindrome (9066226609).

The spelling of 2051115107 in words is "two billion, fifty-one million, one hundred fifteen thousand, one hundred seven".