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1311133425425 = 523711887119243
BaseRepresentation
bin10011000101000101101…
…001000101111100010001
311122100021010212001201222
4103011011221011330101
5132440200124103200
62442154255334425
7163504052142545
oct23050551057421
94570233761658
101311133425425
1146605970152a
12192133b21415
1396840869735
144766006ba25
152418b56cd85
hex13145a45f11

1311133425425 has 24 divisors (see below), whose sum is σ = 1669900607616. Its totient is φ = 1020463496640.

The previous prime is 1311133425377. The next prime is 1311133425463. The reversal of 1311133425425 is 5245243311131.

It is not a de Polignac number, because 1311133425425 - 28 = 1311133425169 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10935854 + ... + 11055096.

It is an arithmetic number, because the mean of its divisors is an integer number (69579191984).

Almost surely, 21311133425425 is an apocalyptic number.

It is an amenable number.

1311133425425 is a deficient number, since it is larger than the sum of its proper divisors (358767182191).

1311133425425 is a wasteful number, since it uses less digits than its factorization.

1311133425425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131177 (or 131172 counting only the distinct ones).

The product of its digits is 43200, while the sum is 35.

Adding to 1311133425425 its reverse (5245243311131), we get a palindrome (6556376736556).

The spelling of 1311133425425 in words is "one trillion, three hundred eleven billion, one hundred thirty-three million, four hundred twenty-five thousand, four hundred twenty-five".

Divisors: 1 5 25 37 185 925 11887 59435 119243 297175 439819 596215 2199095 2981075 4411991 10995475 22059955 110299775 1417441541 7087207705 35436038525 52445337017 262226685085 1311133425425