10872857838555 has 64 divisors (see below), whose sum is σ = 19465213178880. Its totient is φ = 5758222321152.

The previous prime is 10872857838553. The next prime is 10872857838571. The reversal of 10872857838555 is 55583875827801.

10872857838555 is a `hidden beast` number, since 10 + 8 + 7 + 2 + 8 + 57 + 8 + 3 + 8 + 555 = 666.

10872857838555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10872857838555 - 2¹ = 10872857838553 is a prime.

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 63 ways as a sum of consecutive naturals, for example, 21779652 + ... + 22273278.

It is an arithmetic number, because the mean of its divisors is an integer number (304143955920).

Almost surely, 2^{10872857838555} is an apocalyptic number.

10872857838555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10872857838555 is a deficient number, since it is larger than the sum of its proper divisors (8592355340325).

10872857838555 is a wasteful number, since it uses less digits than its factorization.

10872857838555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494785 (or 494779 counting only the distinct ones).

The product of its (nonzero) digits is 752640000, while the sum is 72.

The spelling of 10872857838555 in words is "ten trillion, eight hundred seventy-two billion, eight hundred fifty-seven million, eight hundred thirty-eight thousand, five hundred fifty-five".