542153435554523 has 8 divisors (see below), whose sum is σ = 583997325199008. Its totient is φ = 500329514369664.

The previous prime is 542153435554519. The next prime is 542153435554537. The reversal of 542153435554523 is 325455534351245.

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 542153435554523 - 2² = 542153435554519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542153435554223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4992058511 + ... + 4992167112.

It is an arithmetic number, because the mean of its divisors is an integer number (72999665649876).

Almost surely, 2^{542153435554523} is an apocalyptic number.

542153435554523 is a deficient number, since it is larger than the sum of its proper divisors (41843889644485).

542153435554523 is a wasteful number, since it uses less digits than its factorization.

542153435554523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9984229813.

The product of its digits is 108000000, while the sum is 56.

The spelling of 542153435554523 in words is "five hundred forty-two trillion, one hundred fifty-three billion, four hundred thirty-five million, five hundred fifty-four thousand, five hundred twenty-three".