2855378808850 has 24 divisors (see below), whose sum is σ = 5333041970388. Its totient is φ = 1137412300800.

The previous prime is 2855378808839. The next prime is 2855378808851. The reversal of 2855378808850 is 588088735582.

It can be written as a sum of positive squares in 6 ways, for example, as 1799834213241 + 1055544595609 = 1341579^2 + 1027397^2 .

It is not an unprimeable number, because it can be changed into a prime (2855378808851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 118468399 + ... + 118492498.

Almost surely, 2^{2855378808850} is an apocalyptic number.

2855378808850 is a deficient number, since it is larger than the sum of its proper divisors (2477663161538).

2855378808850 is a wasteful number, since it uses less digits than its factorization.

2855378808850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236961150 (or 236961145 counting only the distinct ones).

The product of its (nonzero) digits is 172032000, while the sum is 67.

The spelling of 2855378808850 in words is "two trillion, eight hundred fifty-five billion, three hundred seventy-eight million, eight hundred eight thousand, eight hundred fifty".