2051115434 has 16 divisors (see below), whose sum is σ = 3188021760. Its totient is φ = 988693680.

The previous prime is 2051115431. The next prime is 2051115439. The reversal of 2051115434 is 4345111502.

It is not an unprimeable number, because it can be changed into a prime (2051115431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46589 + ... + 79200.

It is an arithmetic number, because the mean of its divisors is an integer number (199251360).

Almost surely, 2^2051115434 is an apocalyptic number.

2051115434 is a deficient number, since it is larger than the sum of its proper divisors (1136906326).

2051115434 is a wasteful number, since it uses less digits than its factorization.

2051115434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126085.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 2051115434 is about 45289.2419234414. The cubic root of 2051115434 is about 1270.5644532469.

Adding to 2051115434 its reverse (4345111502), we get a palindrome (6396226936).

The spelling of 2051115434 in words is "two billion, fifty-one million, one hundred fifteen thousand, four hundred thirty-four".