1115455105 has 8 divisors (see below), whose sum is σ = 1342592064. Its totient is φ = 889666800.

The previous prime is 1115455091. The next prime is 1115455139. The reversal of 1115455105 is 5015545111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1115455105 is a prime.

It is a super-2 number, since 2×1115455105² = 2488480182541122050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335341 + ... + 338650.

It is an arithmetic number, because the mean of its divisors is an integer number (167824008).

Almost surely, 2^1115455105 is an apocalyptic number.

It is an amenable number.

1115455105 is a deficient number, since it is larger than the sum of its proper divisors (227136959).

1115455105 is an equidigital number, since it uses as much as digits as its factorization.

1115455105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674327.

The product of its (nonzero) digits is 2500, while the sum is 28.

The square root of 1115455105 is about 33398.4296786541. The cubic root of 1115455105 is about 1037.0921933330.

The spelling of 1115455105 in words is "one billion, one hundred fifteen million, four hundred fifty-five thousand, one hundred five".