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115403411257 is a prime number
BaseRepresentation
bin110101101111010010…
…1000100111100111001
3102000212122212201010221
41223132211010330321
53342321233130012
6125003211340041
711223542545021
oct1533645047471
9360778781127
10115403411257
1144a40242a52
121a448451621
13ab61ac2984
14582aa96a81
153006688507
hex1ade944f39

115403411257 has 2 divisors, whose sum is σ = 115403411258. Its totient is φ = 115403411256.

The previous prime is 115403411251. The next prime is 115403411287. The reversal of 115403411257 is 752114304511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76695209721 + 38708201536 = 276939^2 + 196744^2 .

It is a cyclic number.

It is not a de Polignac number, because 115403411257 - 27 = 115403411129 is a prime.

It is not a weakly prime, because it can be changed into another prime (115403411251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57701705628 + 57701705629.

It is an arithmetic number, because the mean of its divisors is an integer number (57701705629).

Almost surely, 2115403411257 is an apocalyptic number.

It is an amenable number.

115403411257 is a deficient number, since it is larger than the sum of its proper divisors (1).

115403411257 is an equidigital number, since it uses as much as digits as its factorization.

115403411257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16800, while the sum is 34.

Adding to 115403411257 its reverse (752114304511), we get a palindrome (867517715768).

The spelling of 115403411257 in words is "one hundred fifteen billion, four hundred three million, four hundred eleven thousand, two hundred fifty-seven".