115557103 has 2 divisors, whose sum is σ = 115557104. Its totient is φ = 115557102.

The previous prime is 115557061. The next prime is 115557131. The reversal of 115557103 is 301755511.

It is an a-pointer prime, because the next prime (115557131) can be obtained adding 115557103 to its sum of digits (28).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 115557103 - 2¹³ = 115548911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115557133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57778551 + 57778552.

It is an arithmetic number, because the mean of its divisors is an integer number (57778552).

Almost surely, 2^115557103 is an apocalyptic number.

115557103 is a deficient number, since it is larger than the sum of its proper divisors (1).

115557103 is an equidigital number, since it uses as much as digits as its factorization.

115557103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2625, while the sum is 28.

The square root of 115557103 is about 10749.7489738133. The cubic root of 115557103 is about 487.0784124633.

The spelling of 115557103 in words is "one hundred fifteen million, five hundred fifty-seven thousand, one hundred three".