1151333113 has 4 divisors (see below), whose sum is σ = 1315809280. Its totient is φ = 986856948.

The previous prime is 1151333111. The next prime is 1151333153. The reversal of 1151333113 is 3113331511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3113331511 = 29 ⋅107356259.

It is not a de Polignac number, because 1151333113 - 2¹ = 1151333111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1151333111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82238073 + ... + 82238086.

It is an arithmetic number, because the mean of its divisors is an integer number (328952320).

Almost surely, 2^1151333113 is an apocalyptic number.

It is an amenable number.

1151333113 is a deficient number, since it is larger than the sum of its proper divisors (164476167).

1151333113 is an equidigital number, since it uses as much as digits as its factorization.

1151333113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164476166.

The product of its digits is 405, while the sum is 22.

The square root of 1151333113 is about 33931.2999014185. The cubic root of 1151333113 is about 1048.0942341040.

Adding to 1151333113 its reverse (3113331511), we get a palindrome (4264664624).

The spelling of 1151333113 in words is "one billion, one hundred fifty-one million, three hundred thirty-three thousand, one hundred thirteen".