Search a number
-
+
10115551541 is a prime number
BaseRepresentation
bin10010110101110111…
…10001000100110101
3222002222012021001002
421122323301010311
5131204040122131
64351431213045
7505446524624
oct113273610465
928088167032
1010115551541
114320a68657
121b63817185
13c52917674
146bd6416bb
153e30d56cb
hex25aef1135

10115551541 has 2 divisors, whose sum is σ = 10115551542. Its totient is φ = 10115551540.

The previous prime is 10115551517. The next prime is 10115551543. The reversal of 10115551541 is 14515551101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9882348100 + 233203441 = 99410^2 + 15271^2 .

It is an emirp because it is prime and its reverse (14515551101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10115551541 - 230 = 9041809717 is a prime.

Together with 10115551543, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10115551543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5057775770 + 5057775771.

It is an arithmetic number, because the mean of its divisors is an integer number (5057775771).

Almost surely, 210115551541 is an apocalyptic number.

It is an amenable number.

10115551541 is a deficient number, since it is larger than the sum of its proper divisors (1).

10115551541 is an equidigital number, since it uses as much as digits as its factorization.

10115551541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2500, while the sum is 29.

The spelling of 10115551541 in words is "ten billion, one hundred fifteen million, five hundred fifty-one thousand, five hundred forty-one".