542435032412121 has 8 divisors (see below), whose sum is σ = 723325555085760. Its totient is φ = 361583932339952.

The previous prime is 542435032412111. The next prime is 542435032412197. The reversal of 542435032412121 is 121214230534245.

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 542435032412121 - 2¹⁷ = 542435032281049 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 542435032412121.

It is not an unprimeable number, because it can be changed into a prime (542435032412111) 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, 9855618261 + ... + 9855673298.

It is an arithmetic number, because the mean of its divisors is an integer number (90415694385720).

Almost surely, 2^{542435032412121} is an apocalyptic number.

It is an amenable number.

542435032412121 is a deficient number, since it is larger than the sum of its proper divisors (180890522673639).

542435032412121 is a wasteful number, since it uses less digits than its factorization.

542435032412121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19711300735.

The product of its (nonzero) digits is 230400, while the sum is 39.

Adding to 542435032412121 its reverse (121214230534245), we get a palindrome (663649262946366).

The spelling of 542435032412121 in words is "five hundred forty-two trillion, four hundred thirty-five billion, thirty-two million, four hundred twelve thousand, one hundred twenty-one".