1146531115 has 8 divisors (see below), whose sum is σ = 1379032128. Its totient is φ = 915095040.

The previous prime is 1146531107. The next prime is 1146531131. The reversal of 1146531115 is 5111356411.

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

It is not a de Polignac number, because 1146531115 - 2³ = 1146531107 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263862 + ... + 268171.

It is an arithmetic number, because the mean of its divisors is an integer number (172379016).

Almost surely, 2^1146531115 is an apocalyptic number.

1146531115 is a deficient number, since it is larger than the sum of its proper divisors (232501013).

1146531115 is an equidigital number, since it uses as much as digits as its factorization.

1146531115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532469.

The product of its digits is 1800, while the sum is 28.

The square root of 1146531115 is about 33860.4653689225. The cubic root of 1146531115 is about 1046.6350676875.

Adding to 1146531115 its reverse (5111356411), we get a palindrome (6257887526).

The spelling of 1146531115 in words is "one billion, one hundred forty-six million, five hundred thirty-one thousand, one hundred fifteen".