1151051113 has 8 divisors (see below), whose sum is σ = 1220511240. Its totient is φ = 1081785600.

The previous prime is 1151051039. The next prime is 1151051177. The reversal of 1151051113 is 3111501511.

It can be written as a sum of positive squares in 4 ways, for example, as 224640144 + 926410969 = 14988^2 + 30437^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1151051113 - 2⁹ = 1151050601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1151051183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36378 + ... + 60211.

It is an arithmetic number, because the mean of its divisors is an integer number (152563905).

Almost surely, 2^1151051113 is an apocalyptic number.

It is an amenable number.

1151051113 is a deficient number, since it is larger than the sum of its proper divisors (69460127).

1151051113 is an equidigital number, since it uses as much as digits as its factorization.

1151051113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97307.

The product of its (nonzero) digits is 75, while the sum is 19.

The square root of 1151051113 is about 33927.1441916351. The cubic root of 1151051113 is about 1048.0086560019.

Adding to 1151051113 its reverse (3111501511), we get a palindrome (4262552624).

The spelling of 1151051113 in words is "one billion, one hundred fifty-one million, fifty-one thousand, one hundred thirteen".