1151335187 has 2 divisors, whose sum is σ = 1151335188. Its totient is φ = 1151335186.

The previous prime is 1151335139. The next prime is 1151335189. The reversal of 1151335187 is 7815331511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1151335187 - 2⁶ = 1151335123 is a prime.

Together with 1151335189, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1151335189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575667593 + 575667594.

It is an arithmetic number, because the mean of its divisors is an integer number (575667594).

Almost surely, 2^1151335187 is an apocalyptic number.

1151335187 is a deficient number, since it is larger than the sum of its proper divisors (1).

1151335187 is an equidigital number, since it uses as much as digits as its factorization.

1151335187 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12600, while the sum is 35.

The square root of 1151335187 is about 33931.3304631575. The cubic root of 1151335187 is about 1048.0948634458.

Adding to 1151335187 its reverse (7815331511), we get a palindrome (8966666698).

The spelling of 1151335187 in words is "one billion, one hundred fifty-one million, three hundred thirty-five thousand, one hundred eighty-seven".