1204542422115 has 128 divisors (see below), whose sum is σ = 2218917888000. Its totient is φ = 553935697920.

The previous prime is 1204542422113. The next prime is 1204542422137. The reversal of 1204542422115 is 5112242454021.

It is not a de Polignac number, because 1204542422115 - 2¹ = 1204542422113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1204542422113) 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 127 ways as a sum of consecutive naturals, for example, 360316134 + ... + 360319476.

It is an arithmetic number, because the mean of its divisors is an integer number (17335296000).

Almost surely, 2^{1204542422115} is an apocalyptic number.

1204542422115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1204542422115 is a deficient number, since it is larger than the sum of its proper divisors (1014375465885).

1204542422115 is a wasteful number, since it uses less digits than its factorization.

1204542422115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5817.

The product of its (nonzero) digits is 25600, while the sum is 33.

Adding to 1204542422115 its reverse (5112242454021), we get a palindrome (6316784876136).

The spelling of 1204542422115 in words is "one trillion, two hundred four billion, five hundred forty-two million, four hundred twenty-two thousand, one hundred fifteen".