1542222655579 has 8 divisors (see below), whose sum is σ = 1590514196480. Its totient is φ = 1494495928296.

The previous prime is 1542222655507. The next prime is 1542222655583. The reversal of 1542222655579 is 9755562222451.

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 1542222655579 - 2¹³ = 1542222647387 is a prime.

It is a super-2 number, since 2×1542222655579² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1542222655079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141197859 + ... + 141208780.

It is an arithmetic number, because the mean of its divisors is an integer number (198814274560).

Almost surely, 2^{1542222655579} is an apocalyptic number.

1542222655579 is a deficient number, since it is larger than the sum of its proper divisors (48291540901).

1542222655579 is a wasteful number, since it uses less digits than its factorization.

1542222655579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282406809.

The product of its digits is 15120000, while the sum is 55.

The spelling of 1542222655579 in words is "one trillion, five hundred forty-two billion, two hundred twenty-two million, six hundred fifty-five thousand, five hundred seventy-nine".