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12755506382825 = 521667306070939
BaseRepresentation
bin1011100110011101111101…
…1011010100011111101001
31200011102012011121220100212
42321213133123110133221
53132441234113222300
643043444305510505
72454361224216023
oct271473733243751
950142164556325
1012755506382825
1140786418aa458
121520129342435
13716aba63651b
14321526a4d013
15171beee9d935
hexb99df6d47e9

12755506382825 has 12 divisors (see below), whose sum is σ = 15826316165520. Its totient is φ = 10198283654160.

The previous prime is 12755506382809. The next prime is 12755506382831. The reversal of 12755506382825 is 52828360555721.

It is not a de Polignac number, because 12755506382825 - 24 = 12755506382809 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 152993795 + ... + 153077144.

It is an arithmetic number, because the mean of its divisors is an integer number (1318859680460).

Almost surely, 212755506382825 is an apocalyptic number.

It is an amenable number.

12755506382825 is a deficient number, since it is larger than the sum of its proper divisors (3070809782695).

12755506382825 is a wasteful number, since it uses less digits than its factorization.

12755506382825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306072616 (or 306072611 counting only the distinct ones).

The product of its (nonzero) digits is 40320000, while the sum is 59.

The spelling of 12755506382825 in words is "twelve trillion, seven hundred fifty-five billion, five hundred six million, three hundred eighty-two thousand, eight hundred twenty-five".

Divisors: 1 5 25 1667 8335 41675 306070939 1530354695 7651773475 510220255313 2551101276565 12755506382825