1152425111 has 4 divisors (see below), whose sum is σ = 1171957800. Its totient is φ = 1132892424.

The previous prime is 1152425047. The next prime is 1152425129. The reversal of 1152425111 is 1115242511.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1115242511 = 71 ⋅15707641.

It is a cyclic number.

It is not a de Polignac number, because 1152425111 - 2⁶ = 1152425047 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 (1152425711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9766256 + ... + 9766373.

It is an arithmetic number, because the mean of its divisors is an integer number (292989450).

Almost surely, 2^1152425111 is an apocalyptic number.

1152425111 is a deficient number, since it is larger than the sum of its proper divisors (19532689).

1152425111 is an equidigital number, since it uses as much as digits as its factorization.

1152425111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19532688.

The product of its digits is 400, while the sum is 23.

The square root of 1152425111 is about 33947.3873957923. The cubic root of 1152425111 is about 1048.4254892785.

Adding to 1152425111 its reverse (1115242511), we get a palindrome (2267667622).

The spelling of 1152425111 in words is "one billion, one hundred fifty-two million, four hundred twenty-five thousand, one hundred eleven".