1151169389 has 4 divisors (see below), whose sum is σ = 1201220256. Its totient is φ = 1101118524.

The previous prime is 1151169367. The next prime is 1151169391. The reversal of 1151169389 is 9839611511.

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.

It is a cyclic number.

It is not a de Polignac number, because 1151169389 - 2⁸ = 1151169133 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 (1151169319) 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 3 ways as a sum of consecutive naturals, for example, 25025399 + ... + 25025444.

It is an arithmetic number, because the mean of its divisors is an integer number (300305064).

Almost surely, 2^1151169389 is an apocalyptic number.

It is an amenable number.

1151169389 is a deficient number, since it is larger than the sum of its proper divisors (50050867).

1151169389 is an equidigital number, since it uses as much as digits as its factorization.

1151169389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50050866.

The product of its digits is 58320, while the sum is 44.

The square root of 1151169389 is about 33928.8872349212. The cubic root of 1151169389 is about 1048.0445507376.

The spelling of 1151169389 in words is "one billion, one hundred fifty-one million, one hundred sixty-nine thousand, three hundred eighty-nine".