863151864121 has 8 divisors (see below), whose sum is σ = 866434970240. Its totient is φ = 859870400112.

The previous prime is 863151864079. The next prime is 863151864143. The reversal of 863151864121 is 121468151368.

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

It is a cyclic number.

It is not a de Polignac number, because 863151864121 - 2¹¹ = 863151862073 is a prime.

It is a super-2 number, since 2×863151864121² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (863151864191) 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 7 ways as a sum of consecutive naturals, for example, 647920 + ... + 1464958.

It is an arithmetic number, because the mean of its divisors is an integer number (108304371280).

Almost surely, 2^863151864121 is an apocalyptic number.

It is an amenable number.

863151864121 is a deficient number, since it is larger than the sum of its proper divisors (3283106119).

863151864121 is a wasteful number, since it uses less digits than its factorization.

863151864121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821055.

The product of its digits is 276480, while the sum is 46.

The spelling of 863151864121 in words is "eight hundred sixty-three billion, one hundred fifty-one million, eight hundred sixty-four thousand, one hundred twenty-one".