542111405 has 32 divisors (see below), whose sum is σ = 726409728. Its totient is φ = 385070400.

The previous prime is 542111399. The next prime is 542111417. The reversal of 542111405 is 504111245.

It is not a de Polignac number, because 542111405 - 2¹⁶ = 542045869 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 482174 + ... + 483296.

It is an arithmetic number, because the mean of its divisors is an integer number (22700304).

Almost surely, 2^542111405 is an apocalyptic number.

542111405 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

542111405 is a deficient number, since it is larger than the sum of its proper divisors (184298323).

542111405 is a wasteful number, since it uses less digits than its factorization.

542111405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1337.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 542111405 is about 23283.2859579571. The cubic root of 542111405 is about 815.3852444941.

The spelling of 542111405 in words is "five hundred forty-two million, one hundred eleven thousand, four hundred five".