542251143155 has 8 divisors (see below), whose sum is σ = 664546082112. Its totient is φ = 424571107648.

The previous prime is 542251143121. The next prime is 542251143163. The reversal of 542251143155 is 551341152245.

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 542251143155 - 2⁸ = 542251142899 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1153725602 + ... + 1153726071.

It is an arithmetic number, because the mean of its divisors is an integer number (83068260264).

Almost surely, 2^542251143155 is an apocalyptic number.

542251143155 is a deficient number, since it is larger than the sum of its proper divisors (122294938957).

542251143155 is a wasteful number, since it uses less digits than its factorization.

542251143155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2307451725.

The product of its digits is 120000, while the sum is 38.

The spelling of 542251143155 in words is "five hundred forty-two billion, two hundred fifty-one million, one hundred forty-three thousand, one hundred fifty-five".