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11451212153 is a prime number
BaseRepresentation
bin10101010101000101…
…11010000101111001
31002120001110211221122
422222202322011321
5141423002242103
65132143115025
7553525461113
oct125242720571
932501424848
1011451212153
114946a021a7
122276ba2a75
131106559ca4
147a8ba63b3
154704bbb38
hex2aa8ba179

11451212153 has 2 divisors, whose sum is σ = 11451212154. Its totient is φ = 11451212152.

The previous prime is 11451212131. The next prime is 11451212197. The reversal of 11451212153 is 35121215411.

11451212153 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7702344169 + 3748867984 = 87763^2 + 61228^2 .

It is a cyclic number.

It is not a de Polignac number, because 11451212153 - 210 = 11451211129 is a prime.

It is a super-2 number, since 2×114512121532 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11451212753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5725606076 + 5725606077.

It is an arithmetic number, because the mean of its divisors is an integer number (5725606077).

Almost surely, 211451212153 is an apocalyptic number.

It is an amenable number.

11451212153 is a deficient number, since it is larger than the sum of its proper divisors (1).

11451212153 is an equidigital number, since it uses as much as digits as its factorization.

11451212153 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1200, while the sum is 26.

Adding to 11451212153 its reverse (35121215411), we get a palindrome (46572427564).

The spelling of 11451212153 in words is "eleven billion, four hundred fifty-one million, two hundred twelve thousand, one hundred fifty-three".