Search a number
-
+
115523503531123 is a prime number
BaseRepresentation
bin11010010001000101101001…
…011001000010010001110011
3120011000221100120220201012111
4122101011221121002101303
5110120214113400443443
61045410433113510151
733222204053052622
oct3221055131022163
9504027316821174
10115523503531123
113389a274062a36
1210b5928b712357
134c5ca86992a4c
14207552022d6b9
15d5507118b69d
hex691169642473

115523503531123 has 2 divisors, whose sum is σ = 115523503531124. Its totient is φ = 115523503531122.

The previous prime is 115523503531027. The next prime is 115523503531187. The reversal of 115523503531123 is 321135305325511.

It is a strong prime.

It is an emirp because it is prime and its reverse (321135305325511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115523503531123 - 245 = 80339131442291 is a prime.

It is a super-2 number, since 2×1155235035311232 (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (115523503531193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57761751765561 + 57761751765562.

It is an arithmetic number, because the mean of its divisors is an integer number (57761751765562).

Almost surely, 2115523503531123 is an apocalyptic number.

115523503531123 is a deficient number, since it is larger than the sum of its proper divisors (1).

115523503531123 is an equidigital number, since it uses as much as digits as its factorization.

115523503531123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 202500, while the sum is 40.

Adding to 115523503531123 its reverse (321135305325511), we get a palindrome (436658808856634).

The spelling of 115523503531123 in words is "one hundred fifteen trillion, five hundred twenty-three billion, five hundred three million, five hundred thirty-one thousand, one hundred twenty-three".