1151355105 has 24 divisors (see below), whose sum is σ = 1996990632. Its totient is φ = 613653504.

The previous prime is 1151355089. The next prime is 1151355131. The reversal of 1151355105 is 5015531511.

1151355105 is a `hidden beast` number, since 1 + 15 + 135 + 510 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 107806689 + 1043548416 = 10383^2 + 32304^2 .

It is not a de Polignac number, because 1151355105 - 2⁴ = 1151355089 is a prime.

It is a super-2 number, since 2×1151355105² = 2651237155619122050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68827 + ... + 83903.

It is an arithmetic number, because the mean of its divisors is an integer number (83207943).

Almost surely, 2^1151355105 is an apocalyptic number.

1151355105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1151355105 is a deficient number, since it is larger than the sum of its proper divisors (845635527).

1151355105 is a wasteful number, since it uses less digits than its factorization.

1151355105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16785 (or 16782 counting only the distinct ones).

The product of its (nonzero) digits is 1875, while the sum is 27.

The square root of 1151355105 is about 33931.6239664417. The cubic root of 1151355105 is about 1048.1009073947.

Adding to 1151355105 its reverse (5015531511), we get a palindrome (6166886616).

The spelling of 1151355105 in words is "one billion, one hundred fifty-one million, three hundred fifty-five thousand, one hundred five".