855474126041 has 4 divisors (see below), whose sum is σ = 855625462692. Its totient is φ = 855322789392.

The previous prime is 855474126029. The next prime is 855474126049. The reversal of 855474126041 is 140621474558.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 140621474558 = 2 ⋅70310737279.

It can be written as a sum of positive squares in 2 ways, for example, as 743007796441 + 112466329600 = 861979^2 + 335360^2 .

It is a cyclic number.

It is not a de Polignac number, because 855474126041 - 2⁶ = 855474125977 is a prime.

It is a super-2 number, since 2×855474126041² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (855474126049) 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 3 ways as a sum of consecutive naturals, for example, 75659846 + ... + 75671151.

It is an arithmetic number, because the mean of its divisors is an integer number (213906365673).

Almost surely, 2^855474126041 is an apocalyptic number.

It is an amenable number.

855474126041 is a deficient number, since it is larger than the sum of its proper divisors (151336651).

855474126041 is a wasteful number, since it uses less digits than its factorization.

855474126041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151336650.

The product of its (nonzero) digits is 1075200, while the sum is 47.

The spelling of 855474126041 in words is "eight hundred fifty-five billion, four hundred seventy-four million, one hundred twenty-six thousand, forty-one".