1151515315 has 16 divisors (see below), whose sum is σ = 1468413792. Its totient is φ = 863875584.

The previous prime is 1151515301. The next prime is 1151515319. The reversal of 1151515315 is 5135151511.

It is a cyclic number.

It is not a de Polignac number, because 1151515315 - 2⁷ = 1151515187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1151515319) 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, 909 + ... + 47998.

It is an arithmetic number, because the mean of its divisors is an integer number (91775862).

Almost surely, 2^1151515315 is an apocalyptic number.

1151515315 is a deficient number, since it is larger than the sum of its proper divisors (316898477).

1151515315 is a wasteful number, since it uses less digits than its factorization.

1151515315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49206.

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

The square root of 1151515315 is about 33933.9846613981. The cubic root of 1151515315 is about 1048.1495192313.

Adding to 1151515315 its reverse (5135151511), we get a palindrome (6286666826).

The spelling of 1151515315 in words is "one billion, one hundred fifty-one million, five hundred fifteen thousand, three hundred fifteen".