4918868855961 has 8 divisors (see below), whose sum is σ = 6718455022944. Its totient is φ = 3199264296480.

The previous prime is 4918868855959. The next prime is 4918868856007. The reversal of 4918868855961 is 1695588688194.

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

It is not a de Polignac number, because 4918868855961 - 2¹ = 4918868855959 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4918868855161) 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, 19995401731 + ... + 19995401976.

It is an arithmetic number, because the mean of its divisors is an integer number (839806877868).

Almost surely, 2^{4918868855961} is an apocalyptic number.

4918868855961 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

4918868855961 is a deficient number, since it is larger than the sum of its proper divisors (1799586166983).

4918868855961 is a wasteful number, since it uses less digits than its factorization.

4918868855961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39990803751.

The product of its digits is 1194393600, while the sum is 78.

The spelling of 4918868855961 in words is "four trillion, nine hundred eighteen billion, eight hundred sixty-eight million, eight hundred fifty-five thousand, nine hundred sixty-one".