2511432045 has 36 divisors (see below), whose sum is σ = 4508501556. Its totient is φ = 1293223680.

The previous prime is 2511432043. The next prime is 2511432059. The reversal of 2511432045 is 5402341152.

It can be written as a sum of positive squares in 6 ways, for example, as 225540324 + 2285891721 = 15018^2 + 47811^2 .

It is not a de Polignac number, because 2511432045 - 2¹ = 2511432043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2511432043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4665 + ... + 71025.

Almost surely, 2^2511432045 is an apocalyptic number.

It is an amenable number.

2511432045 is a deficient number, since it is larger than the sum of its proper divisors (1997069511).

2511432045 is a wasteful number, since it uses less digits than its factorization.

2511432045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66430 (or 66398 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 2511432045 is about 50114.1900563104. The cubic root of 2511432045 is about 1359.2744192248.

Adding to 2511432045 its reverse (5402341152), we get a palindrome (7913773197).

The spelling of 2511432045 in words is "two billion, five hundred eleven million, four hundred thirty-two thousand, forty-five".