542160530771521 has 8 divisors (see below), whose sum is σ = 554770419610880. Its totient is φ = 529550710314192.

The previous prime is 542160530771383. The next prime is 542160530771533. The reversal of 542160530771521 is 125177035061245.

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 542160530771521 - 2⁹ = 542160530771009 is a prime.

It is a super-2 number, since 2×542160530771521² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542160530771551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 877425 + ... + 32940718.

It is an arithmetic number, because the mean of its divisors is an integer number (69346302451360).

Almost surely, 2^{542160530771521} is an apocalyptic number.

It is an amenable number.

542160530771521 is a deficient number, since it is larger than the sum of its proper divisors (12609888839359).

542160530771521 is a wasteful number, since it uses less digits than its factorization.

542160530771521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34191015.

The product of its (nonzero) digits is 1764000, while the sum is 49.

The spelling of 542160530771521 in words is "five hundred forty-two trillion, one hundred sixty billion, five hundred thirty million, seven hundred seventy-one thousand, five hundred twenty-one".