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115885151 is a prime number
BaseRepresentation
bin1101110100001…
…00010001011111
322002001120112122
412322010101133
5214131311101
615255453155
72605002404
oct672042137
9262046478
10115885151
115a461258
12329871bb
131b015cc5
14115682ab
15a29151b
hex6e8445f

115885151 has 2 divisors, whose sum is σ = 115885152. Its totient is φ = 115885150.

The previous prime is 115885139. The next prime is 115885153. The reversal of 115885151 is 151588511.

It is a strong prime.

It is an emirp because it is prime and its reverse (151588511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115885151 - 218 = 115623007 is a prime.

Together with 115885153, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115885153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57942575 + 57942576.

It is an arithmetic number, because the mean of its divisors is an integer number (57942576).

Almost surely, 2115885151 is an apocalyptic number.

115885151 is a deficient number, since it is larger than the sum of its proper divisors (1).

115885151 is an equidigital number, since it uses as much as digits as its factorization.

115885151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8000, while the sum is 35.

The square root of 115885151 is about 10764.9965629349. The cubic root of 115885151 is about 487.5388893806.

The spelling of 115885151 in words is "one hundred fifteen million, eight hundred eighty-five thousand, one hundred fifty-one".