1180017345 has 48 divisors (see below), whose sum is σ = 2160002880. Its totient is φ = 546733056.

The previous prime is 1180017343. The next prime is 1180017353. The reversal of 1180017345 is 5437100811.

It is not a de Polignac number, because 1180017345 - 2¹ = 1180017343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1180017343) 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 47 ways as a sum of consecutive naturals, for example, 45886 + ... + 66824.

It is an arithmetic number, because the mean of its divisors is an integer number (45000060).

Almost surely, 2^1180017345 is an apocalyptic number.

1180017345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1180017345 is a deficient number, since it is larger than the sum of its proper divisors (979985535).

1180017345 is a wasteful number, since it uses less digits than its factorization.

1180017345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20994 (or 20977 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 1180017345 is about 34351.3805399434. The cubic root of 1180017345 is about 1056.7269828717.

The spelling of 1180017345 in words is "one billion, one hundred eighty million, seventeen thousand, three hundred forty-five".