1304242541555 has 16 divisors (see below), whose sum is σ = 1577376025344. Its totient is φ = 1035225865440.

The previous prime is 1304242541527. The next prime is 1304242541561. The reversal of 1304242541555 is 5551452424031.

It is a happy number.

It is not a de Polignac number, because 1304242541555 - 2¹² = 1304242537459 is a prime.

It is a super-3 number, since 3×1304242541555³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 884711 + ... + 1841520.

It is an arithmetic number, because the mean of its divisors is an integer number (98586001584).

Almost surely, 2^{1304242541555} is an apocalyptic number.

1304242541555 is a deficient number, since it is larger than the sum of its proper divisors (273133483789).

1304242541555 is a wasteful number, since it uses less digits than its factorization.

1304242541555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2726986.

The product of its (nonzero) digits is 480000, while the sum is 41.

Adding to 1304242541555 its reverse (5551452424031), we get a palindrome (6855694965586).

The spelling of 1304242541555 in words is "one trillion, three hundred four billion, two hundred forty-two million, five hundred forty-one thousand, five hundred fifty-five".