1151305105 has 8 divisors (see below), whose sum is σ = 1382124672. Its totient is φ = 920671728.

The previous prime is 1151305081. The next prime is 1151305109. The reversal of 1151305105 is 5015031511.

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 1151305105 - 2⁵ = 1151305073 is a prime.

It is a super-2 number, since 2×1151305105² = 2651006889598122050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1151305109) 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, 32559 + ... + 57988.

It is an arithmetic number, because the mean of its divisors is an integer number (172765584).

Almost surely, 2^1151305105 is an apocalyptic number.

It is an amenable number.

1151305105 is a deficient number, since it is larger than the sum of its proper divisors (230819567).

1151305105 is an equidigital number, since it uses as much as digits as its factorization.

1151305105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93095.

The product of its (nonzero) digits is 375, while the sum is 22.

The square root of 1151305105 is about 33930.8871826246. The cubic root of 1151305105 is about 1048.0857351848.

Adding to 1151305105 its reverse (5015031511), we get a palindrome (6166336616).

The spelling of 1151305105 in words is "one billion, one hundred fifty-one million, three hundred five thousand, one hundred five".