18011480839 has 8 divisors (see below), whose sum is σ = 19687957632. Its totient is φ = 16341515640.

The previous prime is 18011480813. The next prime is 18011480843. The reversal of 18011480839 is 93808411081.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 18011480839 - 2²⁷ = 17877263111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18011480795 and 18011480804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18011480239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1622109 + ... + 1633174.

It is an arithmetic number, because the mean of its divisors is an integer number (2460994704).

Almost surely, 2^18011480839 is an apocalyptic number.

18011480839 is a deficient number, since it is larger than the sum of its proper divisors (1676476793).

18011480839 is a wasteful number, since it uses less digits than its factorization.

18011480839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3255797.

The product of its (nonzero) digits is 55296, while the sum is 43.

The spelling of 18011480839 in words is "eighteen billion, eleven million, four hundred eighty thousand, eight hundred thirty-nine".