115520040403 has 2 divisors, whose sum is σ = 115520040404. Its totient is φ = 115520040402.

The previous prime is 115520040397. The next prime is 115520040421. The reversal of 115520040403 is 304040025511.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115520040403 is a prime.

It is not a weakly prime, because it can be changed into another prime (115520040443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57760020201 + 57760020202.

It is an arithmetic number, because the mean of its divisors is an integer number (57760020202).

Almost surely, 2^115520040403 is an apocalyptic number.

115520040403 is a deficient number, since it is larger than the sum of its proper divisors (1).

115520040403 is an equidigital number, since it uses as much as digits as its factorization.

115520040403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 115520040403 its reverse (304040025511), we get a palindrome (419560065914).

The spelling of 115520040403 in words is "one hundred fifteen billion, five hundred twenty million, forty thousand, four hundred three".