855880122554 has 16 divisors (see below), whose sum is σ = 1359493632000. Its totient is φ = 402721305024.

The previous prime is 855880122553. The next prime is 855880122563. The reversal of 855880122554 is 455221088558.

It is a junction number, because it is equal to n+sod(n) for n = 855880122496 and 855880122505.

It is not an unprimeable number, because it can be changed into a prime (855880122553) 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 7 ways as a sum of consecutive naturals, for example, 1127354 + ... + 1727045.

It is an arithmetic number, because the mean of its divisors is an integer number (84968352000).

Almost surely, 2^855880122554 is an apocalyptic number.

855880122554 is a deficient number, since it is larger than the sum of its proper divisors (503613509446).

855880122554 is a wasteful number, since it uses less digits than its factorization.

855880122554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2863237.

The product of its (nonzero) digits is 5120000, while the sum is 53.

The spelling of 855880122554 in words is "eight hundred fifty-five billion, eight hundred eighty million, one hundred twenty-two thousand, five hundred fifty-four".