540455631111 has 12 divisors (see below), whose sum is σ = 851627055240. Its totient is φ = 327548867280.

The previous prime is 540455631073. The next prime is 540455631217. The reversal of 540455631111 is 111136554045.

540455631111 is a `hidden beast` number, since 5 + 4 + 0 + 4 + 5 + 5 + 631 + 1 + 11 = 666.

It is not a de Polignac number, because 540455631111 - 2⁹ = 540455630599 is a prime.

It is a super-2 number, since 2×540455631111² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540455631811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2729573796 + ... + 2729573993.

It is an arithmetic number, because the mean of its divisors is an integer number (70968921270).

Almost surely, 2^540455631111 is an apocalyptic number.

540455631111 is a deficient number, since it is larger than the sum of its proper divisors (311171424129).

540455631111 is a wasteful number, since it uses less digits than its factorization.

540455631111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5459147806 (or 5459147803 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The spelling of 540455631111 in words is "five hundred forty billion, four hundred fifty-five million, six hundred thirty-one thousand, one hundred eleven".