Search a number
-
+
115115114531 is a prime number
BaseRepresentation
bin110101100110101100…
…1010100000000100011
3102000010120101201101102
41223031121110000203
53341223432131111
6124514432225015
711213442220544
oct1531531240043
9360116351342
10115115114531
114490253239a
121a38799b16b
13ab17161ab1
14580068c4cb
152edb1dc13b
hex1acd654023

115115114531 has 2 divisors, whose sum is σ = 115115114532. Its totient is φ = 115115114530.

The previous prime is 115115114501. The next prime is 115115114537. The reversal of 115115114531 is 135411511511.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-115115114531 is a prime.

It is a super-2 number, since 2×1151151145312 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 115115114494 and 115115114503.

It is not a weakly prime, because it can be changed into another prime (115115114537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57557557265 + 57557557266.

It is an arithmetic number, because the mean of its divisors is an integer number (57557557266).

Almost surely, 2115115114531 is an apocalyptic number.

115115114531 is a deficient number, since it is larger than the sum of its proper divisors (1).

115115114531 is an equidigital number, since it uses as much as digits as its factorization.

115115114531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1500, while the sum is 29.

The spelling of 115115114531 in words is "one hundred fifteen billion, one hundred fifteen million, one hundred fourteen thousand, five hundred thirty-one".