18045120782 has 8 divisors (see below), whose sum is σ = 29149810536. Its totient is φ = 8328517272.

The previous prime is 18045120773. The next prime is 18045120791. The reversal of 18045120782 is 28702154081.

It is an interprime number because it is at equal distance from previous prime (18045120773) and next prime (18045120791).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 347021528 + ... + 347021579.

It is an arithmetic number, because the mean of its divisors is an integer number (3643726317).

Almost surely, 2^18045120782 is an apocalyptic number.

18045120782 is a deficient number, since it is larger than the sum of its proper divisors (11104689754).

18045120782 is a wasteful number, since it uses less digits than its factorization.

18045120782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694043122.

The product of its (nonzero) digits is 35840, while the sum is 38.

The spelling of 18045120782 in words is "eighteen billion, forty-five million, one hundred twenty thousand, seven hundred eighty-two".