542108911 has 4 divisors (see below), whose sum is σ = 545561992. Its totient is φ = 538655832.

The previous prime is 542108909. The next prime is 542108921. The reversal of 542108911 is 119801245.

It is a happy number.

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 542108911 - 2¹ = 542108909 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 (542108921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1726305 + ... + 1726618.

It is an arithmetic number, because the mean of its divisors is an integer number (136390498).

Almost surely, 2^542108911 is an apocalyptic number.

542108911 is a deficient number, since it is larger than the sum of its proper divisors (3453081).

542108911 is a wasteful number, since it uses less digits than its factorization.

542108911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3453080.

The product of its (nonzero) digits is 2880, while the sum is 31.

The square root of 542108911 is about 23283.2324001630. The cubic root of 542108911 is about 815.3839940906.

The spelling of 542108911 in words is "five hundred forty-two million, one hundred eight thousand, nine hundred eleven".