1155413505 has 32 divisors (see below), whose sum is σ = 1943804160. Its totient is φ = 585204480.

The previous prime is 1155413477. The next prime is 1155413509. The reversal of 1155413505 is 5053145511.

It is not a de Polignac number, because 1155413505 - 2⁷ = 1155413377 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1155413509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4764 + ... + 48306.

It is an arithmetic number, because the mean of its divisors is an integer number (60743880).

Almost surely, 2^1155413505 is an apocalyptic number.

1155413505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1155413505 is a deficient number, since it is larger than the sum of its proper divisors (788390655).

1155413505 is a wasteful number, since it uses less digits than its factorization.

1155413505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43641.

The product of its (nonzero) digits is 7500, while the sum is 30.

The square root of 1155413505 is about 33991.3739792907. The cubic root of 1155413505 is about 1049.3309433843.

The spelling of 1155413505 in words is "one billion, one hundred fifty-five million, four hundred thirteen thousand, five hundred five".