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13115525420441 = 137102719320783
BaseRepresentation
bin1011111011011011001000…
…1110111101010110011001
31201102211110111221221120002
42332312302032331112121
53204341044001423231
643521104511142345
72522364642436343
oct276666216752631
951384414857502
1013115525420441
1141a72991a6a84
121579a62b149b5
13741a33b29672
14334b1ad9c293
1517b2718c10cb
hexbedb23bd599

13115525420441 has 8 divisors (see below), whose sum is σ = 13212546868224. Its totient is φ = 13018522635040.

The previous prime is 13115525420429. The next prime is 13115525420449. The reversal of 13115525420441 is 14402452551131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13115525420441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13115525420395 and 13115525420404.

It is not an unprimeable number, because it can be changed into a prime (13115525420449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3253265 + ... + 6067518.

It is an arithmetic number, because the mean of its divisors is an integer number (1651568358528).

Almost surely, 213115525420441 is an apocalyptic number.

It is an amenable number.

13115525420441 is a deficient number, since it is larger than the sum of its proper divisors (97021447783).

13115525420441 is a wasteful number, since it uses less digits than its factorization.

13115525420441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9331191.

The product of its (nonzero) digits is 96000, while the sum is 38.

Adding to 13115525420441 its reverse (14402452551131), we get a palindrome (27517977971572).

The spelling of 13115525420441 in words is "thirteen trillion, one hundred fifteen billion, five hundred twenty-five million, four hundred twenty thousand, four hundred forty-one".

Divisors: 1 137 10271 1407127 9320783 1276947271 95733762193 13115525420441