1170555555 has 16 divisors (see below), whose sum is σ = 2016957600. Its totient is φ = 576273408.

The previous prime is 1170555527. The next prime is 1170555563. The reversal of 1170555555 is 5555550711.

It is not a de Polignac number, because 1170555555 - 2⁷ = 1170555427 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

1170555555 is a modest number, since divided by 55555 gives 11705 as remainder.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3001230 + ... + 3001619.

It is an arithmetic number, because the mean of its divisors is an integer number (126059850).

Almost surely, 2^1170555555 is an apocalyptic number.

1170555555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1170555555 is a deficient number, since it is larger than the sum of its proper divisors (846402045).

1170555555 is a wasteful number, since it uses less digits than its factorization.

1170555555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6002870.

The product of its (nonzero) digits is 109375, while the sum is 39.

The square root of 1170555555 is about 34213.3826886498. The cubic root of 1170555555 is about 1053.8949984034.

The spelling of 1170555555 in words is "one billion, one hundred seventy million, five hundred fifty-five thousand, five hundred fifty-five".