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1105555541 is a prime number
BaseRepresentation
bin100000111100101…
…0111000001010101
32212001022001002112
41001321113001111
54231010234131
6301411520405
736253031666
oct10171270125
92761261075
101105555541
1151806a272
1226a2b9105
1314807759c
14a6b8736d
15670d202b
hex41e57055

1105555541 has 2 divisors, whose sum is σ = 1105555542. Its totient is φ = 1105555540.

The previous prime is 1105555537. The next prime is 1105555589. The reversal of 1105555541 is 1455555011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 641153041 + 464402500 = 25321^2 + 21550^2 .

It is a cyclic number.

It is not a de Polignac number, because 1105555541 - 22 = 1105555537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1105555498 and 1105555507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1105555741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552777770 + 552777771.

It is an arithmetic number, because the mean of its divisors is an integer number (552777771).

Almost surely, 21105555541 is an apocalyptic number.

It is an amenable number.

1105555541 is a deficient number, since it is larger than the sum of its proper divisors (1).

1105555541 is an equidigital number, since it uses as much as digits as its factorization.

1105555541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12500, while the sum is 32.

The square root of 1105555541 is about 33249.8953532188. The cubic root of 1105555541 is about 1034.0150387466.

The spelling of 1105555541 in words is "one billion, one hundred five million, five hundred fifty-five thousand, five hundred forty-one".