115243275503 has 2 divisors, whose sum is σ = 115243275504. Its totient is φ = 115243275502.

The previous prime is 115243275487. The next prime is 115243275509. The reversal of 115243275503 is 305572342511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 115243275503 - 2⁴ = 115243275487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115243275509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57621637751 + 57621637752.

It is an arithmetic number, because the mean of its divisors is an integer number (57621637752).

Almost surely, 2^115243275503 is an apocalyptic number.

115243275503 is a deficient number, since it is larger than the sum of its proper divisors (1).

115243275503 is an equidigital number, since it uses as much as digits as its factorization.

115243275503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126000, while the sum is 38.

The spelling of 115243275503 in words is "one hundred fifteen billion, two hundred forty-three million, two hundred seventy-five thousand, five hundred three".