10872857838556 has 48 divisors (see below), whose sum is σ = 22501698690240. Its totient is φ = 4497887439360.

The previous prime is 10872857838553. The next prime is 10872857838571. The reversal of 10872857838556 is 65583875827801.

It is a Smith number, since the sum of its digits (73) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10872857838553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1159686 + ... + 4805266.

It is an arithmetic number, because the mean of its divisors is an integer number (468785389380).

Almost surely, 2^{10872857838556} is an apocalyptic number.

It is an amenable number.

10872857838556 is an abundant number, since it is smaller than the sum of its proper divisors (11628840851684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10872857838556 is a wasteful number, since it uses less digits than its factorization.

10872857838556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3649294 (or 3649292 counting only the distinct ones).

The product of its (nonzero) digits is 903168000, while the sum is 73.

The spelling of 10872857838556 in words is "ten trillion, eight hundred seventy-two billion, eight hundred fifty-seven million, eight hundred thirty-eight thousand, five hundred fifty-six".