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11251087 is a prime number
BaseRepresentation
bin101010111010…
…110110001111
3210011121120221
4222322312033
510340013322
61041052211
7164430001
oct52726617
923147527
1011251087
116395121
123927067
13243c163
1416cc371
15ec39c7
hexabad8f

11251087 has 2 divisors, whose sum is σ = 11251088. Its totient is φ = 11251086.

The previous prime is 11251081. The next prime is 11251099. The reversal of 11251087 is 78015211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11251087 - 211 = 11249039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11251081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5625543 + 5625544.

It is an arithmetic number, because the mean of its divisors is an integer number (5625544).

Almost surely, 211251087 is an apocalyptic number.

11251087 is a deficient number, since it is larger than the sum of its proper divisors (1).

11251087 is an equidigital number, since it uses as much as digits as its factorization.

11251087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 560, while the sum is 25.

The square root of 11251087 is about 3354.2640027285. The cubic root of 11251087 is about 224.0774538169.

Adding to 11251087 its reverse (78015211), we get a palindrome (89266298).

The spelling of 11251087 in words is "eleven million, two hundred fifty-one thousand, eighty-seven".