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12555310135087 is a prime number
BaseRepresentation
bin1011011010110100001011…
…0011001111011100101111
31122110021110011001210120201
42312231002303033130233
53121201233343310322
642411455125254331
72434043201203126
oct266550263173457
948407404053521
1012555310135087
11400074a289445
1214a9377b643a7
13700c64774c35
14315974884abd
1516b8d46b1d27
hexb6b42ccf72f

12555310135087 has 2 divisors, whose sum is σ = 12555310135088. Its totient is φ = 12555310135086.

The previous prime is 12555310135033. The next prime is 12555310135141. The reversal of 12555310135087 is 78053101355521.

It is a balanced prime because it is at equal distance from previous prime (12555310135033) and next prime (12555310135141).

It is a cyclic number.

It is not a de Polignac number, because 12555310135087 - 231 = 12553162651439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12555310135387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6277655067543 + 6277655067544.

It is an arithmetic number, because the mean of its divisors is an integer number (6277655067544).

Almost surely, 212555310135087 is an apocalyptic number.

12555310135087 is a deficient number, since it is larger than the sum of its proper divisors (1).

12555310135087 is an equidigital number, since it uses as much as digits as its factorization.

12555310135087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 630000, while the sum is 46.

The spelling of 12555310135087 in words is "twelve trillion, five hundred fifty-five billion, three hundred ten million, one hundred thirty-five thousand, eighty-seven".