855036801124 has 45 divisors (see below), whose sum is σ = 1646366495305. Its totient is φ = 388551376400.

The previous prime is 855036801097. The next prime is 855036801209. The reversal of 855036801124 is 421108630558.

The square root of 855036801124 is 924682.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 767870143524 + 87166657600 = 876282^2 + 295240^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 223771134 + ... + 223774954.

Almost surely, 2^855036801124 is an apocalyptic number.

855036801124 is the 924682-nd square number.

It is an amenable number.

855036801124 is a deficient number, since it is larger than the sum of its proper divisors (791329694181).

855036801124 is an frugal number, since it uses more digits than its factorization.

855036801124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7690 (or 3834 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 43.

The spelling of 855036801124 in words is "eight hundred fifty-five billion, thirty-six million, eight hundred one thousand, one hundred twenty-four".