540512355111 has 4 divisors (see below), whose sum is σ = 720683140152. Its totient is φ = 360341570072.

The previous prime is 540512355109. The next prime is 540512355139. The reversal of 540512355111 is 111553215045.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 540512355111 - 2¹ = 540512355109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540512353111) 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, 90085392516 + ... + 90085392521.

It is an arithmetic number, because the mean of its divisors is an integer number (180170785038).

Almost surely, 2^540512355111 is an apocalyptic number.

540512355111 is a deficient number, since it is larger than the sum of its proper divisors (180170785041).

540512355111 is a wasteful number, since it uses less digits than its factorization.

540512355111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180170785040.

The product of its (nonzero) digits is 15000, while the sum is 33.

The spelling of 540512355111 in words is "five hundred forty billion, five hundred twelve million, three hundred fifty-five thousand, one hundred eleven".