1315155115 has 8 divisors (see below), whose sum is σ = 1579390560. Its totient is φ = 1051321152.

The previous prime is 1315155113. The next prime is 1315155137. The reversal of 1315155115 is 5115515131.

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 1315155115 - 2¹ = 1315155113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1315155113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93114 + ... + 106303.

It is an arithmetic number, because the mean of its divisors is an integer number (197423820).

Almost surely, 2^1315155115 is an apocalyptic number.

1315155115 is a deficient number, since it is larger than the sum of its proper divisors (264235445).

1315155115 is a wasteful number, since it uses less digits than its factorization.

1315155115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200741.

The product of its digits is 1875, while the sum is 28.

The square root of 1315155115 is about 36265.0674203151. The cubic root of 1315155115 is about 1095.6175814635.

The spelling of 1315155115 in words is "one billion, three hundred fifteen million, one hundred fifty-five thousand, one hundred fifteen".