855011804554 has 8 divisors (see below), whose sum is σ = 1282541480640. Its totient is φ = 427497977676.

The previous prime is 855011804503. The next prime is 855011804579. The reversal of 855011804554 is 455408110558.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3826504 + ... + 4043779.

It is an arithmetic number, because the mean of its divisors is an integer number (160317685080).

Almost surely, 2^855011804554 is an apocalyptic number.

855011804554 is a deficient number, since it is larger than the sum of its proper divisors (427529676086).

855011804554 is a wasteful number, since it uses less digits than its factorization.

855011804554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7924604.

The product of its (nonzero) digits is 640000, while the sum is 46.

The spelling of 855011804554 in words is "eight hundred fifty-five billion, eleven million, eight hundred four thousand, five hundred fifty-four".