1155115330 has 16 divisors (see below), whose sum is σ = 2108493504. Its totient is φ = 455538160.

The previous prime is 1155115271. The next prime is 1155115331. The reversal of 1155115330 is 335115511.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1155115295 and 1155115304.

It is not an unprimeable number, because it can be changed into a prime (1155115331) 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 7 ways as a sum of consecutive naturals, for example, 812752 + ... + 814171.

It is an arithmetic number, because the mean of its divisors is an integer number (131780844).

Almost surely, 2^1155115330 is an apocalyptic number.

1155115330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1155115330 is a deficient number, since it is larger than the sum of its proper divisors (953378174).

1155115330 is a wasteful number, since it uses less digits than its factorization.

1155115330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1627001.

The product of its (nonzero) digits is 1125, while the sum is 25.

The square root of 1155115330 is about 33986.9876570431. The cubic root of 1155115330 is about 1049.2406694487.

The spelling of 1155115330 in words is "one billion, one hundred fifty-five million, one hundred fifteen thousand, three hundred thirty".