1150311305 has 48 divisors (see below), whose sum is σ = 1705294080. Its totient is φ = 738545280.

The previous prime is 1150311301. The next prime is 1150311353. The reversal of 1150311305 is 5031130511.

It is not a de Polignac number, because 1150311305 - 2² = 1150311301 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1150311301) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 177716 + ... + 184074.

It is an arithmetic number, because the mean of its divisors is an integer number (35526960).

Almost surely, 2^1150311305 is an apocalyptic number.

It is an amenable number.

1150311305 is a deficient number, since it is larger than the sum of its proper divisors (554982775).

1150311305 is a wasteful number, since it uses less digits than its factorization.

1150311305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6422 (or 6411 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 20.

The square root of 1150311305 is about 33916.2395468601. The cubic root of 1150311305 is about 1047.7840811633.

Adding to 1150311305 its reverse (5031130511), we get a palindrome (6181441816).

It can be divided in two parts, 11 and 50311305, that multiplied together give a palindrome (553424355).

The spelling of 1150311305 in words is "one billion, one hundred fifty million, three hundred eleven thousand, three hundred five".