856732253195 has 64 divisors (see below), whose sum is σ = 1274144256000. Its totient is φ = 538513145856.

The previous prime is 856732253191. The next prime is 856732253203. The reversal of 856732253195 is 591352237658.

It is not a de Polignac number, because 856732253195 - 2² = 856732253191 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 856732253195.

It is not an unprimeable number, because it can be changed into a prime (856732253191) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 62624366 + ... + 62638044.

It is an arithmetic number, because the mean of its divisors is an integer number (19908504000).

Almost surely, 2^856732253195 is an apocalyptic number.

856732253195 is a deficient number, since it is larger than the sum of its proper divisors (417412002805).

856732253195 is a wasteful number, since it uses less digits than its factorization.

856732253195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14652.

The product of its digits is 13608000, while the sum is 56.

The spelling of 856732253195 in words is "eight hundred fifty-six billion, seven hundred thirty-two million, two hundred fifty-three thousand, one hundred ninety-five".