855474126051 has 8 divisors (see below), whose sum is σ = 1142357786704. Its totient is φ = 569453274720.

The previous prime is 855474126049. The next prime is 855474126077. The reversal of 855474126051 is 150621474558.

It is a happy number.

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

It is not a de Polignac number, because 855474126051 - 2¹ = 855474126049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (855474126151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215700016 + ... + 215703981.

It is an arithmetic number, because the mean of its divisors is an integer number (142794723338).

Almost surely, 2^855474126051 is an apocalyptic number.

855474126051 is a deficient number, since it is larger than the sum of its proper divisors (286883660653).

855474126051 is a wasteful number, since it uses less digits than its factorization.

855474126051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431404661.

The product of its (nonzero) digits is 1344000, while the sum is 48.

The spelling of 855474126051 in words is "eight hundred fifty-five billion, four hundred seventy-four million, one hundred twenty-six thousand, fifty-one".