542120441155 has 16 divisors (see below), whose sum is σ = 707428395360. Its totient is φ = 397152778752.

The previous prime is 542120441131. The next prime is 542120441173. The reversal of 542120441155 is 551144021245.

It is a cyclic number.

It is not a de Polignac number, because 542120441155 - 2²¹ = 542118344003 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 542120441155.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86184525 + ... + 86190814.

It is an arithmetic number, because the mean of its divisors is an integer number (44214274710).

Almost surely, 2^542120441155 is an apocalyptic number.

542120441155 is a deficient number, since it is larger than the sum of its proper divisors (165307954205).

542120441155 is a wasteful number, since it uses less digits than its factorization.

542120441155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172375398.

The product of its (nonzero) digits is 32000, while the sum is 34.

The spelling of 542120441155 in words is "five hundred forty-two billion, one hundred twenty million, four hundred forty-one thousand, one hundred fifty-five".