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13311525499 is a prime number
BaseRepresentation
bin11000110010110110…
…11100001001111011
31021100200222120002221
430121123130021323
5204230222303444
610040520104511
7650605046146
oct143133341173
937320876087
1013311525499
115711011148
1226b6005137
131341aa680c
14903c9d05d
1552d98aa84
hex3196dc27b

13311525499 has 2 divisors, whose sum is σ = 13311525500. Its totient is φ = 13311525498.

The previous prime is 13311525497. The next prime is 13311525551. The reversal of 13311525499 is 99452511331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13311525499 - 21 = 13311525497 is a prime.

It is a super-2 number, since 2×133115254992 (a number of 21 digits) contains 22 as substring.

Together with 13311525497, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (13311525497) 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 as a sum of consecutive naturals, namely, 6655762749 + 6655762750.

It is an arithmetic number, because the mean of its divisors is an integer number (6655762750).

Almost surely, 213311525499 is an apocalyptic number.

13311525499 is a deficient number, since it is larger than the sum of its proper divisors (1).

13311525499 is an equidigital number, since it uses as much as digits as its factorization.

13311525499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145800, while the sum is 43.

The spelling of 13311525499 in words is "thirteen billion, three hundred eleven million, five hundred twenty-five thousand, four hundred ninety-nine".