8461112085021 has 8 divisors (see below), whose sum is σ = 11281501248160. Its totient is φ = 5640732155952.

The previous prime is 8461112084989. The next prime is 8461112085029. The reversal of 8461112085021 is 1205802111648.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8461112085021 - 2⁵ = 8461112084989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8461112085029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227490 + ... + 4119948.

It is an arithmetic number, because the mean of its divisors is an integer number (1410187656020).

Almost surely, 2^{8461112085021} is an apocalyptic number.

It is an amenable number.

8461112085021 is a deficient number, since it is larger than the sum of its proper divisors (2820389163139).

8461112085021 is a wasteful number, since it uses less digits than its factorization.

8461112085021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4617035.

The product of its (nonzero) digits is 30720, while the sum is 39.

Adding to 8461112085021 its reverse (1205802111648), we get a palindrome (9666914196669).

The spelling of 8461112085021 in words is "eight trillion, four hundred sixty-one billion, one hundred twelve million, eighty-five thousand, twenty-one".