540122110225 has 6 divisors (see below), whose sum is σ = 669751416710. Its totient is φ = 432097688160.

The previous prime is 540122110219. The next prime is 540122110243. The reversal of 540122110225 is 522011221045.

It can be written as a sum of positive squares in 3 ways, for example, as 39052083456 + 501070026769 = 197616^2 + 707863^2 .

It is not a de Polignac number, because 540122110225 - 2¹³ = 540122102033 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 21604884409 = 540122110225 / (5 + 4 + 0 + 1 + 2 + 2 + 1 + 1 + 0 + 2 + 2 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 540122110225.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10802442180 + ... + 10802442229.

Almost surely, 2^540122110225 is an apocalyptic number.

It is an amenable number.

540122110225 is a deficient number, since it is larger than the sum of its proper divisors (129629306485).

540122110225 is a wasteful number, since it uses less digits than its factorization.

540122110225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21604884419 (or 21604884414 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The spelling of 540122110225 in words is "five hundred forty billion, one hundred twenty-two million, one hundred ten thousand, two hundred twenty-five".