1155316415 has 8 divisors (see below), whose sum is σ = 1512414288. Its totient is φ = 840230080.

The previous prime is 1155316391. The next prime is 1155316417. The reversal of 1155316415 is 5146135511.

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

It is not a de Polignac number, because 1155316415 - 2⁸ = 1155316159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155316417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10502822 + ... + 10502931.

It is an arithmetic number, because the mean of its divisors is an integer number (189051786).

Almost surely, 2^1155316415 is an apocalyptic number.

1155316415 is a deficient number, since it is larger than the sum of its proper divisors (357097873).

1155316415 is a wasteful number, since it uses less digits than its factorization.

1155316415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21005769.

The product of its digits is 9000, while the sum is 32.

The square root of 1155316415 is about 33989.9457928370. The cubic root of 1155316415 is about 1049.3015506187.

The spelling of 1155316415 in words is "one billion, one hundred fifty-five million, three hundred sixteen thousand, four hundred fifteen".