1152305311 has 8 divisors (see below), whose sum is σ = 1178961248. Its totient is φ = 1125900000.

The previous prime is 1152305303. The next prime is 1152305333. The reversal of 1152305311 is 1135032511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1152305311 - 2³ = 1152305303 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 (1152303311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53340 + ... + 71761.

It is an arithmetic number, because the mean of its divisors is an integer number (147370156).

Almost surely, 2^1152305311 is an apocalyptic number.

1152305311 is a deficient number, since it is larger than the sum of its proper divisors (26655937).

1152305311 is a wasteful number, since it uses less digits than its factorization.

1152305311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125313.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 1152305311 is about 33945.6228547953. The cubic root of 1152305311 is about 1048.3891584359.

Adding to 1152305311 its reverse (1135032511), we get a palindrome (2287337822).

The spelling of 1152305311 in words is "one billion, one hundred fifty-two million, three hundred five thousand, three hundred eleven".