540111481 has 16 divisors (see below), whose sum is σ = 686199808. Its totient is φ = 413553600.

The previous prime is 540111469. The next prime is 540111511. The reversal of 540111481 is 184111045.

It is a cyclic number.

It is not a de Polignac number, because 540111481 - 2¹⁵ = 540078713 is a prime.

It is a super-2 number, since 2×540111481² = 583440823816026722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (540111431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92910 + ... + 98551.

It is an arithmetic number, because the mean of its divisors is an integer number (42887488).

Almost surely, 2^540111481 is an apocalyptic number.

It is an amenable number.

540111481 is a deficient number, since it is larger than the sum of its proper divisors (146088327).

540111481 is a wasteful number, since it uses less digits than its factorization.

540111481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191512.

The product of its (nonzero) digits is 640, while the sum is 25.

The square root of 540111481 is about 23240.2986426595. The cubic root of 540111481 is about 814.3813192690.

The spelling of 540111481 in words is "five hundred forty million, one hundred eleven thousand, four hundred eighty-one".