115216403 has 8 divisors (see below), whose sum is σ = 116251200. Its totient is φ = 114186688.

The previous prime is 115216369. The next prime is 115216421. The reversal of 115216403 is 304612511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 115216403 - 2²² = 111022099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115216103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54653 + ... + 56721.

It is an arithmetic number, because the mean of its divisors is an integer number (14531400).

Almost surely, 2^115216403 is an apocalyptic number.

115216403 is a deficient number, since it is larger than the sum of its proper divisors (1034797).

115216403 is a wasteful number, since it uses less digits than its factorization.

115216403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2541.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 115216403 is about 10733.8903944469. The cubic root of 115216403 is about 486.5992526145.

Adding to 115216403 its reverse (304612511), we get a palindrome (419828914).

The spelling of 115216403 in words is "one hundred fifteen million, two hundred sixteen thousand, four hundred three".