8456142740881 has 8 divisors (see below), whose sum is σ = 9237571971264. Its totient is φ = 7676828340720.

The previous prime is 8456142740861. The next prime is 8456142740917. The reversal of 8456142740881 is 1880472416548.

It is a happy number.

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

It is not a de Polignac number, because 8456142740881 - 2²⁷ = 8456008523153 is a prime.

It is a super-2 number, since 2×8456142740881² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8456142740831) 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, 528699190 + ... + 528715183.

It is an arithmetic number, because the mean of its divisors is an integer number (1154696496408).

Almost surely, 2^{8456142740881} is an apocalyptic number.

It is an amenable number.

8456142740881 is a deficient number, since it is larger than the sum of its proper divisors (781429230383).

8456142740881 is a wasteful number, since it uses less digits than its factorization.

8456142740881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1057415111.

The product of its (nonzero) digits is 13762560, while the sum is 58.

The spelling of 8456142740881 in words is "eight trillion, four hundred fifty-six billion, one hundred forty-two million, seven hundred forty thousand, eight hundred eighty-one".