1151210305 has 16 divisors (see below), whose sum is σ = 1580765184. Its totient is φ = 788420160.

The previous prime is 1151210243. The next prime is 1151210309. The reversal of 1151210305 is 5030121511.

It is not a de Polignac number, because 1151210305 - 2¹⁷ = 1151079233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1151210309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8704 + ... + 48766.

It is an arithmetic number, because the mean of its divisors is an integer number (98797824).

Almost surely, 2^1151210305 is an apocalyptic number.

It is an amenable number.

1151210305 is a deficient number, since it is larger than the sum of its proper divisors (429554879).

1151210305 is an equidigital number, since it uses as much as digits as its factorization.

1151210305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40896.

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 1151210305 is about 33929.4901965827. The cubic root of 1151210305 is about 1048.0569674688.

Adding to 1151210305 its reverse (5030121511), we get a palindrome (6181331816).

The spelling of 1151210305 in words is "one billion, one hundred fifty-one million, two hundred ten thousand, three hundred five".