1151493189 has 40 divisors (see below), whose sum is σ = 1954067232. Its totient is φ = 598137120.

The previous prime is 1151493151. The next prime is 1151493191. The reversal of 1151493189 is 9813941511.

It is a happy number.

It is not a de Polignac number, because 1151493189 - 2⁸ = 1151492933 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1151493189.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151493199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 71967 + ... + 86499.

Almost surely, 2^1151493189 is an apocalyptic number.

It is an amenable number.

1151493189 is a deficient number, since it is larger than the sum of its proper divisors (802574043).

1151493189 is an equidigital number, since it uses as much as digits as its factorization.

1151493189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14575 (or 14554 counting only the distinct ones).

The product of its digits is 38880, while the sum is 42.

The square root of 1151493189 is about 33933.6586444786. The cubic root of 1151493189 is about 1048.1428059019.

The spelling of 1151493189 in words is "one billion, one hundred fifty-one million, four hundred ninety-three thousand, one hundred eighty-nine".