1131515002 has 8 divisors (see below), whose sum is σ = 1797112116. Its totient is φ = 532477632.

The previous prime is 1131514997. The next prime is 1131515017. The reversal of 1131515002 is 2005151311.

It can be written as a sum of positive squares in 2 ways, for example, as 1098325881 + 33189121 = 33141^2 + 5761^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16639893 + ... + 16639960.

Almost surely, 2^1131515002 is an apocalyptic number.

1131515002 is a deficient number, since it is larger than the sum of its proper divisors (665597114).

1131515002 is a wasteful number, since it uses less digits than its factorization.

1131515002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33279872.

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 1131515002 is about 33637.9993757060. Note that the first 3 decimals coincide. The cubic root of 1131515002 is about 1042.0457151115.

Adding to 1131515002 its reverse (2005151311), we get a palindrome (3136666313).

The spelling of 1131515002 in words is "one billion, one hundred thirty-one million, five hundred fifteen thousand, two".