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25130502555019 is a prime number
BaseRepresentation
bin1011011011011001001101…
…01011011000010110001011
310021222110012221011022120121
411231230212223120112023
511243214232123230034
6125240443221204111
75202422165136301
oct555544653302613
9107873187138517
1025130502555019
1180098715a5754
12299a562560637
131103a473ba854
1462c473b2c271
152d8a7e5db1b4
hex16db26ad858b

25130502555019 has 2 divisors, whose sum is σ = 25130502555020. Its totient is φ = 25130502555018.

The previous prime is 25130502555017. The next prime is 25130502555031. The reversal of 25130502555019 is 91055520503152.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25130502555019 - 21 = 25130502555017 is a prime.

It is a super-2 number, since 2×251305025550192 (a number of 28 digits) contains 22 as substring.

Together with 25130502555017, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (25130502555013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12565251277509 + 12565251277510.

It is an arithmetic number, because the mean of its divisors is an integer number (12565251277510).

Almost surely, 225130502555019 is an apocalyptic number.

25130502555019 is a deficient number, since it is larger than the sum of its proper divisors (1).

25130502555019 is an equidigital number, since it uses as much as digits as its factorization.

25130502555019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 337500, while the sum is 43.

The spelling of 25130502555019 in words is "twenty-five trillion, one hundred thirty billion, five hundred two million, five hundred fifty-five thousand, nineteen".