115315401055403 has 4 divisors (see below), whose sum is σ = 115316380189560. Its totient is φ = 115314421921248.

The previous prime is 115315401055397. The next prime is 115315401055411. The reversal of 115315401055403 is 304550104513511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 115315401055403 - 2⁸ = 115315401055147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115315401055433) 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 in 3 ways as a sum of consecutive naturals, for example, 489390398 + ... + 489625971.

It is an arithmetic number, because the mean of its divisors is an integer number (28829095047390).

Almost surely, 2^{115315401055403} is an apocalyptic number.

115315401055403 is a deficient number, since it is larger than the sum of its proper divisors (979134157).

115315401055403 is an equidigital number, since it uses as much as digits as its factorization.

115315401055403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979134156.

The product of its (nonzero) digits is 90000, while the sum is 38.

Adding to 115315401055403 its reverse (304550104513511), we get a palindrome (419865505568914).

The spelling of 115315401055403 in words is "one hundred fifteen trillion, three hundred fifteen billion, four hundred one million, fifty-five thousand, four hundred three".