542215215111 has 8 divisors (see below), whose sum is σ = 722964144240. Its totient is φ = 361471548032.

The previous prime is 542215215103. The next prime is 542215215149. The reversal of 542215215111 is 111512512245.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 542215215111 - 2³ = 542215215103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542215215211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1068450 + ... + 1491983.

It is an arithmetic number, because the mean of its divisors is an integer number (90370518030).

Almost surely, 2^542215215111 is an apocalyptic number.

542215215111 is a deficient number, since it is larger than the sum of its proper divisors (180748929129).

542215215111 is a wasteful number, since it uses less digits than its factorization.

542215215111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2631025.

The product of its digits is 4000, while the sum is 30.

Adding to 542215215111 its reverse (111512512245), we get a palindrome (653727727356).

The spelling of 542215215111 in words is "five hundred forty-two billion, two hundred fifteen million, two hundred fifteen thousand, one hundred eleven".