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105165015541 is a prime number
BaseRepresentation
bin110000111110001010…
…0101100100111110101
3101001110010112022120121
41201330110230213311
53210334220444131
6120151231131541
710412041611565
oct1417424544765
9331403468517
10105165015541
1140666a00793
121846b673bb1
139bbc8c6961
145138dd8da5
152b078d9911
hex187c52c9f5

105165015541 has 2 divisors, whose sum is σ = 105165015542. Its totient is φ = 105165015540.

The previous prime is 105165015509. The next prime is 105165015583. The reversal of 105165015541 is 145510561501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104374224900 + 790790641 = 323070^2 + 28121^2 .

It is a cyclic number.

It is not a de Polignac number, because 105165015541 - 25 = 105165015509 is a prime.

It is a super-2 number, since 2×1051650155412 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105165015497 and 105165015506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105169015541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52582507770 + 52582507771.

It is an arithmetic number, because the mean of its divisors is an integer number (52582507771).

Almost surely, 2105165015541 is an apocalyptic number.

It is an amenable number.

105165015541 is a deficient number, since it is larger than the sum of its proper divisors (1).

105165015541 is an equidigital number, since it uses as much as digits as its factorization.

105165015541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15000, while the sum is 34.

The spelling of 105165015541 in words is "one hundred five billion, one hundred sixty-five million, fifteen thousand, five hundred forty-one".