285150720631 has 8 divisors (see below), whose sum is σ = 325893818880. Its totient is φ = 244409442648.

The previous prime is 285150720629. The next prime is 285150720653. The reversal of 285150720631 is 136027051582.

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

It is not a de Polignac number, because 285150720631 - 2¹ = 285150720629 is a prime.

It is a super-2 number, since 2×285150720631² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285150720611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101011 + ... + 761908.

It is an arithmetic number, because the mean of its divisors is an integer number (40736727360).

Almost surely, 2^285150720631 is an apocalyptic number.

285150720631 is a deficient number, since it is larger than the sum of its proper divisors (40743098249).

285150720631 is an equidigital number, since it uses as much as digits as its factorization.

285150720631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910133.

The product of its (nonzero) digits is 100800, while the sum is 40.

The spelling of 285150720631 in words is "two hundred eighty-five billion, one hundred fifty million, seven hundred twenty thousand, six hundred thirty-one".