542133111 has 16 divisors (see below), whose sum is σ = 824239584. Its totient is φ = 313995264.

The previous prime is 542133107. The next prime is 542133157. The reversal of 542133111 is 111331245.

It is not a de Polignac number, because 542133111 - 2² = 542133107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542133101) 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, 408186 + ... + 409511.

It is an arithmetic number, because the mean of its divisors is an integer number (51514974).

Almost surely, 2^542133111 is an apocalyptic number.

542133111 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

542133111 is a deficient number, since it is larger than the sum of its proper divisors (282106473).

542133111 is a wasteful number, since it uses less digits than its factorization.

542133111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817730.

The product of its digits is 360, while the sum is 21.

The square root of 542133111 is about 23283.7520816556. The cubic root of 542133111 is about 815.3961269534.

Adding to 542133111 its reverse (111331245), we get a palindrome (653464356).

The spelling of 542133111 in words is "five hundred forty-two million, one hundred thirty-three thousand, one hundred eleven".