1316115603 has 12 divisors (see below), whose sum is σ = 2073879288. Its totient is φ = 797645760.

The previous prime is 1316115599. The next prime is 1316115607. The reversal of 1316115603 is 3065116131.

It is an interprime number because it is at equal distance from previous prime (1316115599) and next prime (1316115607).

It is not a de Polignac number, because 1316115603 - 2² = 1316115599 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1316115607) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6646950 + ... + 6647147.

It is an arithmetic number, because the mean of its divisors is an integer number (172823274).

Almost surely, 2^1316115603 is an apocalyptic number.

1316115603 is a deficient number, since it is larger than the sum of its proper divisors (757763685).

1316115603 is a wasteful number, since it uses less digits than its factorization.

1316115603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13294114 (or 13294111 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 1316115603 is about 36278.3076093690. The cubic root of 1316115603 is about 1095.8842347913.

The spelling of 1316115603 in words is "one billion, three hundred sixteen million, one hundred fifteen thousand, six hundred three".