866833571112025 has 12 divisors (see below), whose sum is σ = 1172589412559184. Its totient is φ = 630424415354000.

The previous prime is 866833571112013. The next prime is 866833571112029. The reversal of 866833571112025 is 520211175338668.

It is not a de Polignac number, because 866833571112025 - 2⁷ = 866833571111897 is a prime.

It is a super-2 number, since 2×866833571112025² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (866833571112029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1576061038111 + ... + 1576061038660.

It is an arithmetic number, because the mean of its divisors is an integer number (97715784379932).

Almost surely, 2^{866833571112025} is an apocalyptic number.

It is an amenable number.

866833571112025 is a deficient number, since it is larger than the sum of its proper divisors (305755841447159).

866833571112025 is a wasteful number, since it uses less digits than its factorization.

866833571112025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3152122076792 (or 3152122076787 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 58.

The spelling of 866833571112025 in words is "eight hundred sixty-six trillion, eight hundred thirty-three billion, five hundred seventy-one million, one hundred twelve thousand, twenty-five".