1115320141 has 8 divisors (see below), whose sum is σ = 1201881240. Its totient is φ = 1028868672.

The previous prime is 1115320133. The next prime is 1115320177. The reversal of 1115320141 is 1410235111.

It can be written as a sum of positive squares in 4 ways, for example, as 334341225 + 780978916 = 18285^2 + 27946^2 .

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

It is not a de Polignac number, because 1115320141 - 2³ = 1115320133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115320441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5626 + ... + 47563.

It is an arithmetic number, because the mean of its divisors is an integer number (150235155).

Almost surely, 2^1115320141 is an apocalyptic number.

It is an amenable number.

1115320141 is a deficient number, since it is larger than the sum of its proper divisors (86561099).

1115320141 is a wasteful number, since it uses less digits than its factorization.

1115320141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54815.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 1115320141 is about 33396.4091033752. The cubic root of 1115320141 is about 1037.0503641413.

Adding to 1115320141 its reverse (1410235111), we get a palindrome (2525555252).

The spelling of 1115320141 in words is "one billion, one hundred fifteen million, three hundred twenty thousand, one hundred forty-one".