285180051307 has 4 divisors (see below), whose sum is σ = 285198097096. Its totient is φ = 285162005520.

The previous prime is 285180051257. The next prime is 285180051347. The reversal of 285180051307 is 703150081582.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 285180051307 - 2³¹ = 283032567659 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 285180051307.

It is not an unprimeable number, because it can be changed into a prime (285180051347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8999169 + ... + 9030802.

It is an arithmetic number, because the mean of its divisors is an integer number (71299524274).

Almost surely, 2^285180051307 is an apocalyptic number.

285180051307 is a deficient number, since it is larger than the sum of its proper divisors (18045789).

285180051307 is a wasteful number, since it uses less digits than its factorization.

285180051307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18045788.

The product of its (nonzero) digits is 67200, while the sum is 40.

The spelling of 285180051307 in words is "two hundred eighty-five billion, one hundred eighty million, fifty-one thousand, three hundred seven".