2051541115 has 16 divisors (see below), whose sum is σ = 2668792896. Its totient is φ = 1504944000.

The previous prime is 2051541101. The next prime is 2051541133. The reversal of 2051541115 is 5111451502.

It is not a de Polignac number, because 2051541115 - 2¹¹ = 2051539067 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2051541115.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94696 + ... + 114325.

It is an arithmetic number, because the mean of its divisors is an integer number (166799556).

Almost surely, 2^2051541115 is an apocalyptic number.

2051541115 is a deficient number, since it is larger than the sum of its proper divisors (617251781).

2051541115 is a wasteful number, since it uses less digits than its factorization.

2051541115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209190.

The product of its (nonzero) digits is 1000, while the sum is 25.

The square root of 2051541115 is about 45293.9412614977. The cubic root of 2051541115 is about 1270.6523432679.

Adding to 2051541115 its reverse (5111451502), we get a palindrome (7162992617).

The spelling of 2051541115 in words is "two billion, fifty-one million, five hundred forty-one thousand, one hundred fifteen".