115555351153603 has 4 divisors (see below), whose sum is σ = 117182891310768. Its totient is φ = 113927810996440.

The previous prime is 115555351153549. The next prime is 115555351153717. The reversal of 115555351153603 is 306351153555511.

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 115555351153603 - 2²¹ = 115555349056451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115555351453603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 813770078476 + ... + 813770078617.

It is an arithmetic number, because the mean of its divisors is an integer number (29295722827692).

Almost surely, 2^{115555351153603} is an apocalyptic number.

115555351153603 is a deficient number, since it is larger than the sum of its proper divisors (1627540157165).

115555351153603 is an equidigital number, since it uses as much as digits as its factorization.

115555351153603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1627540157164.

The product of its (nonzero) digits is 2531250, while the sum is 49.

The spelling of 115555351153603 in words is "one hundred fifteen trillion, five hundred fifty-five billion, three hundred fifty-one million, one hundred fifty-three thousand, six hundred three".