540525265505 has 4 divisors (see below), whose sum is σ = 648630318612. Its totient is φ = 432420212400.

The previous prime is 540525265499. The next prime is 540525265507. The reversal of 540525265505 is 505562525045.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 281697685504 + 258827580001 = 530752^2 + 508751^2 .

It is not a de Polignac number, because 540525265505 - 2¹⁶ = 540525199969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540525265507) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 54052526546 + ... + 54052526555.

It is an arithmetic number, because the mean of its divisors is an integer number (162157579653).

Almost surely, 2^540525265505 is an apocalyptic number.

It is an amenable number.

540525265505 is a deficient number, since it is larger than the sum of its proper divisors (108105053107).

540525265505 is a wasteful number, since it uses less digits than its factorization.

540525265505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108105053106.

The product of its (nonzero) digits is 1500000, while the sum is 44.

The spelling of 540525265505 in words is "five hundred forty billion, five hundred twenty-five million, two hundred sixty-five thousand, five hundred five".