1161341215 has 8 divisors (see below), whose sum is σ = 1401666048. Its totient is φ = 923701920.

The previous prime is 1161341197. The next prime is 1161341227. The reversal of 1161341215 is 5121431611.

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

It is not a de Polignac number, because 1161341215 - 2⁷ = 1161341087 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1161341215.

It is a congruent 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, 670431 + ... + 672160.

It is an arithmetic number, because the mean of its divisors is an integer number (175208256).

Almost surely, 2^1161341215 is an apocalyptic number.

1161341215 is a deficient number, since it is larger than the sum of its proper divisors (240324833).

1161341215 is a wasteful number, since it uses less digits than its factorization.

1161341215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1342769.

The product of its digits is 720, while the sum is 25.

The square root of 1161341215 is about 34078.4567578991. The cubic root of 1161341215 is about 1051.1223720246.

Adding to 1161341215 its reverse (5121431611), we get a palindrome (6282772826).

The spelling of 1161341215 in words is "one billion, one hundred sixty-one million, three hundred forty-one thousand, two hundred fifteen".