1151128051 has 2 divisors, whose sum is σ = 1151128052. Its totient is φ = 1151128050.

The previous prime is 1151128049. The next prime is 1151128061. The reversal of 1151128051 is 1508211511.

It is a weak prime.

It is an emirp because it is prime and its reverse (1508211511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1151128051 - 2¹ = 1151128049 is a prime.

Together with 1151128049, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1151128061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575564025 + 575564026.

It is an arithmetic number, because the mean of its divisors is an integer number (575564026).

Almost surely, 2^1151128051 is an apocalyptic number.

1151128051 is a deficient number, since it is larger than the sum of its proper divisors (1).

1151128051 is an equidigital number, since it uses as much as digits as its factorization.

1151128051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 400, while the sum is 25.

The square root of 1151128051 is about 33928.2780435436. The cubic root of 1151128051 is about 1048.0320056437.

Adding to 1151128051 its reverse (1508211511), we get a palindrome (2659339562).

The spelling of 1151128051 in words is "one billion, one hundred fifty-one million, one hundred twenty-eight thousand, fifty-one".