18051048287 has 8 divisors (see below), whose sum is σ = 19019238000. Its totient is φ = 17084672064.

The previous prime is 18051048271. The next prime is 18051048329. The reversal of 18051048287 is 78284015081.

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 18051048287 - 2⁴ = 18051048271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18051048227) 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, 432908 + ... + 472769.

It is an arithmetic number, because the mean of its divisors is an integer number (2377404750).

Almost surely, 2^18051048287 is an apocalyptic number.

18051048287 is a deficient number, since it is larger than the sum of its proper divisors (968189713).

18051048287 is a wasteful number, since it uses less digits than its factorization.

18051048287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906745.

The product of its (nonzero) digits is 143360, while the sum is 44.

The spelling of 18051048287 in words is "eighteen billion, fifty-one million, forty-eight thousand, two hundred eighty-seven".