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115522245121 is a prime number
BaseRepresentation
bin110101110010110101…
…0011001001000000001
3102001011221111002120011
41223211222121020001
53343042143320441
6125023054344521
711226514611313
oct1534552311001
9361157432504
10115522245121
1144aa1328658
121a4801bb141
13ab805cbb7a
14583c78b7b3
153011d0d581
hex1ae5a99201

115522245121 has 2 divisors, whose sum is σ = 115522245122. Its totient is φ = 115522245120.

The previous prime is 115522245119. The next prime is 115522245143. The reversal of 115522245121 is 121542225511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77319588096 + 38202657025 = 278064^2 + 195455^2 .

It is a cyclic number.

It is not a de Polignac number, because 115522245121 - 21 = 115522245119 is a prime.

Together with 115522245119, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (115522215121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57761122560 + 57761122561.

It is an arithmetic number, because the mean of its divisors is an integer number (57761122561).

Almost surely, 2115522245121 is an apocalyptic number.

It is an amenable number.

115522245121 is a deficient number, since it is larger than the sum of its proper divisors (1).

115522245121 is an equidigital number, since it uses as much as digits as its factorization.

115522245121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8000, while the sum is 31.

The spelling of 115522245121 in words is "one hundred fifteen billion, five hundred twenty-two million, two hundred forty-five thousand, one hundred twenty-one".