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1331131255255 = 5376970635779
BaseRepresentation
bin10011010111101101100…
…110110000100111010111
311201020212211022002002001
4103113231212300213113
5133302124100132010
62455302510300131
7165112446660454
oct23275546604727
94636784262061
101331131255255
1147359098901a
12195b951b7647
13986a9964639
14485d9d4a82b
152495c00ac3a
hex135ed9b09d7

1331131255255 has 8 divisors (see below), whose sum is σ = 1597781343600. Its totient is φ = 1064622446016.

The previous prime is 1331131255211. The next prime is 1331131255283. The reversal of 1331131255255 is 5525521311331.

It is a happy number.

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 1331131255255 - 227 = 1330997037527 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35299045 + ... + 35336734.

It is an arithmetic number, because the mean of its divisors is an integer number (199722667950).

Almost surely, 21331131255255 is an apocalyptic number.

1331131255255 is a deficient number, since it is larger than the sum of its proper divisors (266650088345).

1331131255255 is an equidigital number, since it uses as much as digits as its factorization.

1331131255255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70639553.

The product of its digits is 67500, while the sum is 37.

Adding to 1331131255255 its reverse (5525521311331), we get a palindrome (6856652566586).

The spelling of 1331131255255 in words is "one trillion, three hundred thirty-one billion, one hundred thirty-one million, two hundred fifty-five thousand, two hundred fifty-five".

Divisors: 1 5 3769 18845 70635779 353178895 266226251051 1331131255255