1331535424655 has 16 divisors (see below), whose sum is σ = 1691861865120. Its totient is φ = 1002550889472.

The previous prime is 1331535424649. The next prime is 1331535424691. The reversal of 1331535424655 is 5564245351331.

It is a cyclic number.

It is not a de Polignac number, because 1331535424655 - 2¹⁴ = 1331535408271 is a prime.

It is a super-2 number, since 2×1331535424655² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 7478456 + ... + 7654434.

It is an arithmetic number, because the mean of its divisors is an integer number (105741366570).

Almost surely, 2^{1331535424655} is an apocalyptic number.

1331535424655 is a deficient number, since it is larger than the sum of its proper divisors (360326440465).

1331535424655 is a wasteful number, since it uses less digits than its factorization.

1331535424655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265018.

The product of its digits is 3240000, while the sum is 47.

The spelling of 1331535424655 in words is "one trillion, three hundred thirty-one billion, five hundred thirty-five million, four hundred twenty-four thousand, six hundred fifty-five".