2540535011 has 16 divisors (see below), whose sum is σ = 3101909760. Its totient is φ = 2032192800.

The previous prime is 2540535001. The next prime is 2540535017. The reversal of 2540535011 is 1105350452.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2540535011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2540535017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133640 + ... + 151461.

It is an arithmetic number, because the mean of its divisors is an integer number (193869360).

Almost surely, 2^2540535011 is an apocalyptic number.

2540535011 is a deficient number, since it is larger than the sum of its proper divisors (561374749).

2540535011 is a wasteful number, since it uses less digits than its factorization.

2540535011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285194.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 2540535011 is about 50403.7202099210. The cubic root of 2540535011 is about 1364.5047801263.

Adding to 2540535011 its reverse (1105350452), we get a palindrome (3645885463).

The spelling of 2540535011 in words is "two billion, five hundred forty million, five hundred thirty-five thousand, eleven".