542215140543 has 12 divisors (see below), whose sum is σ = 783213584608. Its totient is φ = 361470327840.

The previous prime is 542215140541. The next prime is 542215140547. The reversal of 542215140543 is 345041512245.

542215140543 is a `hidden beast` number, since 5 + 4 + 2 + 21 + 51 + 40 + 543 = 666.

It is not a de Polignac number, because 542215140543 - 2¹ = 542215140541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 542215140498 and 542215140507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542215140541) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29178 + ... + 1041768.

Almost surely, 2^542215140543 is an apocalyptic number.

542215140543 is a deficient number, since it is larger than the sum of its proper divisors (240998444065).

542215140543 is a wasteful number, since it uses less digits than its factorization.

542215140543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1072094 (or 1072091 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

Adding to 542215140543 its reverse (345041512245), we get a palindrome (887256652788).

The spelling of 542215140543 in words is "five hundred forty-two billion, two hundred fifteen million, one hundred forty thousand, five hundred forty-three".