115161603 has 16 divisors (see below), whose sum is σ = 162048000. Its totient is φ = 72545760.

The previous prime is 115161593. The next prime is 115161637. The reversal of 115161603 is 306161511.

It is not a de Polignac number, because 115161603 - 2⁹ = 115161091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115161643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21598 + ... + 26396.

It is an arithmetic number, because the mean of its divisors is an integer number (10128000).

Almost surely, 2^115161603 is an apocalyptic number.

115161603 is a deficient number, since it is larger than the sum of its proper divisors (46886397).

115161603 is a wasteful number, since it uses less digits than its factorization.

115161603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5242.

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 115161603 is about 10731.3374282985. The cubic root of 115161603 is about 486.5220938446.

The spelling of 115161603 in words is "one hundred fifteen million, one hundred sixty-one thousand, six hundred three".