6208872881121 has 9 divisors (see below), whose sum is σ = 8968382737041. Its totient is φ = 4139243603892.

The previous prime is 6208872881041. The next prime is 6208872881153. The reversal of 6208872881121 is 1211882788026.

It is a happy number.

The square root of 6208872881121 is 2491761.

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

6208872881121 is a `hidden beast` number, since 620 + 8 + 8 + 7 + 2 + 8 + 8 + 1 + 1 + 2 + 1 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 6208872881121 - 2³⁵ = 6174513142753 is a prime.

It is a super-4 number, since 4×6208872881121⁴ (a number of 52 digits) contains 4444 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6208872881521) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 7059990 + ... + 7890576.

Almost surely, 2^{6208872881121} is an apocalyptic number.

6208872881121 is the 2491761-st square number.

6208872881121 is the 1245881-st centered octagonal number.

It is an amenable number.

6208872881121 is a deficient number, since it is larger than the sum of its proper divisors (2759509855920).

6208872881121 is an frugal number, since it uses more digits than its factorization.

6208872881121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1661180 (or 830590 counting only the distinct ones).

The product of its (nonzero) digits is 1376256, while the sum is 54.

The spelling of 6208872881121 in words is "six trillion, two hundred eight billion, eight hundred seventy-two million, eight hundred eighty-one thousand, one hundred twenty-one".