540520417612127 has 4 divisors (see below), whose sum is σ = 557956560115776. Its totient is φ = 523084275108480.

The previous prime is 540520417612121. The next prime is 540520417612151. The reversal of 540520417612127 is 721216714025045.

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 540520417612127 - 2³⁴ = 540503237742943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540520417612121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8718071251778 + ... + 8718071251839.

It is an arithmetic number, because the mean of its divisors is an integer number (139489140028944).

Almost surely, 2^{540520417612127} is an apocalyptic number.

540520417612127 is a deficient number, since it is larger than the sum of its proper divisors (17436142503649).

540520417612127 is a wasteful number, since it uses less digits than its factorization.

540520417612127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17436142503648.

The product of its (nonzero) digits is 940800, while the sum is 47.

The spelling of 540520417612127 in words is "five hundred forty trillion, five hundred twenty billion, four hundred seventeen million, six hundred twelve thousand, one hundred twenty-seven".