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111105426401 is a prime number
BaseRepresentation
bin110011101111001100…
…1100100001111100001
3101121210010110110022122
41213132121210033201
53310020442121101
6123012514514025
711012203353644
oct1473631441741
9347703413278
10111105426401
1143135131352
1219648b95915
13a62852a778
14553dd35a5b
152d541a151b
hex19de6643e1

111105426401 has 2 divisors, whose sum is σ = 111105426402. Its totient is φ = 111105426400.

The previous prime is 111105426391. The next prime is 111105426433. The reversal of 111105426401 is 104624501111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99320152801 + 11785273600 = 315151^2 + 108560^2 .

It is a cyclic number.

It is not a de Polignac number, because 111105426401 - 26 = 111105426337 is a prime.

It is not a weakly prime, because it can be changed into another prime (111105426301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55552713200 + 55552713201.

It is an arithmetic number, because the mean of its divisors is an integer number (55552713201).

Almost surely, 2111105426401 is an apocalyptic number.

It is an amenable number.

111105426401 is a deficient number, since it is larger than the sum of its proper divisors (1).

111105426401 is an equidigital number, since it uses as much as digits as its factorization.

111105426401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 26.

Adding to 111105426401 its reverse (104624501111), we get a palindrome (215729927512).

The spelling of 111105426401 in words is "one hundred eleven billion, one hundred five million, four hundred twenty-six thousand, four hundred one".