2120478855873 has 8 divisors (see below), whose sum is σ = 3231205875648. Its totient is φ = 1211702203344.

The previous prime is 2120478855853. The next prime is 2120478855883. The reversal of 2120478855873 is 3785588740212.

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

It is not a de Polignac number, because 2120478855873 - 2⁵ = 2120478855841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2120478855823) 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, 50487591786 + ... + 50487591827.

It is an arithmetic number, because the mean of its divisors is an integer number (403900734456).

Almost surely, 2^{2120478855873} is an apocalyptic number.

It is an amenable number.

2120478855873 is a deficient number, since it is larger than the sum of its proper divisors (1110727019775).

2120478855873 is a wasteful number, since it uses less digits than its factorization.

2120478855873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100975183623.

The product of its (nonzero) digits is 30105600, while the sum is 60.

The spelling of 2120478855873 in words is "two trillion, one hundred twenty billion, four hundred seventy-eight million, eight hundred fifty-five thousand, eight hundred seventy-three".